Here are 75 most used words helpful for legal drafting. Hope you'll like them and would like to expand it by adding more words. write down in comments below.

Expedient
– To Prioritize , to rush
Cavil
– Argument by which a conclusion evidently false , is drawn from a principle evidently true.
Elusive
– Difficult to find , catch or achieve.
Scuffle
– a short , confused fight or struggle at close quarters.
Credential
– a qualification, achievement , quality, or aspect of a person‘s background , especially when used to indicate their suitability for something.
Oblivious
– Aware.
Accustomed
– Customary ; usual.
Treacherous
– Guilty of or involving betrayal.
Erudite
– learned.
Accentuating
– More noticeable.
Crescendo
– Progressive increase in intensity.
Tedious
–Too long , slow or dull.
Dreadful
– involving great suffering.
Enigma
– Mysterious or difficult to understand.
Sceptical
– Doubtful.
Sardonic
– grimly mocking or cynical.
Habeas corpus [writ]
– a prerogative writ to a person who detains another in custody and which commands him to produce or ‘ have the body of that person before him ‘
Mesne
– middle, intervening or tame by nature.
Per se
– by itself
Nocumentum
– an annoying , unpleasant or obnoxious thing or practice.
Non obstante
– notwithstanding
Prima facie
– on the face of it.
Aequitas
– Equity i.e fair or just according to natural law.
Bona fide
– in good faith.
Certiorari [writ]
– a writ of a superior court calling forth the records and entire proceedings of an inferior court or a writ by which causes are removed from an inferior court into a superior court.
Obiter dicta [a doctrine]
– an incidental and collateral opinion uttered by a judge while delivering a judgement and which is not binding. See ratio decidendi (opposite to obiter dicta) Rule of Precedent
Pari material
– on the same material.
Pendente lite
– during the process of litigation.
Supra
– above. [used mostly in footnotes]
Status quo
– the state in which the things are , or were.
– general awareness of the people.
Res judicata [principle of law]
– a case or suit already decided cannot be decided by the same court again.
Read more here, here and here.
RE [refers to reference cases.]
– in the matter of.
See Indian Law- Art. 143 of Constitution of India.
Ratio Legis
– according to spirit of law,
Scienter
– knowledge ; an allegation in a pleading that the thing has been done knowingly.
Ex gratia
–as an act of grace or favour.
In rem
– an act , proceeding or right available against the world at large, as opposed to in personam.
Noscitur a socits
– a word known by its associates , i.e the meaning of a word cab be gathered from the context.
Res sub judis [principle of law]
– a matter under judicial consideration cannot be considered by any other courts unless disposed of or transferred.
Compare with res judicata.
Ad hoc
– created or done for a particular purpose as necessary.
Pertinent
– Relevant or applicable to a particular matter , apposite.
Curative petition [writ petition]
– question arises whether an aggrieved person is entitled to any relief against the final judgment / order of the Supreme Court, after dismissal of a review petition.
propounded by Indian Supreme Court in case of Rupa Ashok Hurra v. Ashok Hurra under Article 32.
Advent
– arrival of a notable person or thing.
Submergence
– to cover ; bury.
Vicinity
–the area near or surrounding a particular place.
Detention
–the act of detaining someone or the state of being in official custody.
Rebuttable
– an instance of rebutting evidence or an accusation.
Preclude
– prevent from happening ; make impossible.
Discrepancy
– an illogical or surprising lack of compatibility or similarity between two or more facts.
Superannuation
– pension paid to a retired employee who has contributed to a superannuation fund.
Ordinance
– An authoritative order
Promulgation
– to make known by open declaration; publish ; proclaim formally or put into operation.
Consortium
– the right of association and companionship with one’s husband or wife
Averred
– allege as a fact in support of a plea
Estoppel [doctrine of,]
– the principle which precludes a person from asserting something contrary to what is implied by a previous action or statement of that person or by a previous pertinent judicial determination.
Plenary
– unqualified ; absolute
Impugned
– dispute the truth , validity or honesty of ( a statement or motive ) ; call into question.
Prejudiced
– harm or injury that results or may result from some action or judgement.
Legal Luminary
– a person who inspires or influences others , especially one prominent in a particular sphere.
Plagiarized
– the act of appropriating the literary composition of another , or parts or passages of his writings , or the ideas or language of the same , and passing them off as the product of one’s own mind.
Evacuee
– A person evacuated from a place of danger.
Demarcate
– Set the boundaries or limits of.
Unfettered
– not confined or restricted
Discernible
– able to be discerned ; perceptible.
Arenas
– a place or scene of activity , debate , or conflict.
Transgression
– An act that goes against a law , or code of conduct ; an offence.
Construed
– interpret in a particular way.
Consonance
– Agreement or compatibility , between opinions or actions.
Retrospectively
– looking back.
Dissuade
– persuade not to take a particular course of action.
Rationale
– set of reasons.
Embezzlement
– Theft or misappropriation of funds placed in one’s trust or belongings to one’s employer.
Perished
– die , especially in a violent or sudden way.
Inter alia
– among other things
Arbitration
– the use of an arbitrator to settle a dispute.