Adjective

(en adjective)

Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.

Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual.

* (John Milton) (1608-1674)

I see thou art exact of taste.

* 1661 , , The Life of the most learned, reverend and pious Dr. H. Hammond

During the whole time of his abode in the university he generally spent thirteen hours of the day in study; by which assiduity besides an exact dispatch of the whole course of philosophy, he read over in a manner all classic authors that are extant

Precisely or definitely conceived or stated; strict.

* (William Shakespeare) (1564-1616)

An exact command, / Larded with many several sorts of reason.

(algebra, of a sequence of groups connected by homomorphisms) Such that the kernel of one homomorphism is the image of the preceding one.

Adjective

(en adjective)

Relating to the law or to lawyers.

* {{quote-magazine, date=2013-06-08, volume=407, issue=8839, page=55, magazine=(The Economist)

, title= Obama goes troll-hunting , passage=According to this saga of intellectual-property misanthropy, these creatures [patent trolls] roam the business world, buying up patents and then using them to demand extravagant payouts from companies they accuse of infringing them. Often, their victims pay up rather than face the costs of a legal battle.}}

Having its basis in the law.

Being allowed or prescribed by law.

* {{quote-magazine, date=2013-08-23, volume=408, issue=8850, magazine=(The Economist)

, title= Waking life , passage=After 50 years, legal segregation is a distant memory, and race in America is not the unbridgeable chasm it once was. The country has a black president. The sort of comity that King evoked, in which the descendants of slaves and of slave owners “sit down together at the table of brotherhood”, can be found in many places, including the Deep South. The rate of marriage between blacks and whites is rising.}}

(informal) Above the age of consent or the legal drinking age.