To make desirable or necessary.
To demand and enforce the payment or performance of, sometimes in a forcible or imperious way.
To inflict; to forcibly obtain or produce.
exactly
Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual.
Such that the kernel of one homomorphism is the image of the preceding one.
Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.
Precisely or definitely conceived or stated; strict.
To do (someone) a service or favour (hence, originally, creating an obligation).
To be indebted to someone.
To constrain someone by force or by social, moral or legal means.