Definitions
1.verbTo demand and enforce the payment or performance of, sometimes in a forcible or imperious way."to exact tribute, fees, or obedience from someone"
2.verbTo make desirable or necessary.
3.verbTo inflict; to forcibly obtain or produce."to exact revenge on someone"
4.adjectivePrecisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect."He paid the exact debt."
5.adjectiveHabitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual."In my doings I was exact."
6.adjectivePrecisely or definitely conceived or stated; strict.
7.adjective(of a sequence of groups connected by homomorphisms) Such that the kernel of one homomorphism is the image of the preceding one.
8.adverbExactly"She's wearing the exact same sweater as I am!"