Webster's Revised Unabridged Dictionary · 1913

Satisfy

Satisfy , transitive verb

[Old French satisfier; Latin satis enough + -ficare (in comp.) to make; compare French satisfaire, Latin satisfacere. See Sad, a., and Fact.]

1.
In general, to fill up the measure of a want of (a person or a thing); hence, to gratify fully the desire of; to make content; to supply to the full, or so far as to give contentment with what is wished for.
Death shall... with us two Be forced to satisfy his ravenous maw. — Milton
2.
To pay to the extent of claims or deserts; to give what is due to; as, to satisfy a creditor.
3.
To answer or discharge, as a claim, debt, legal demand, or the like; to give compensation for; to pay off; to requite; as, to satisfy a claim or an execution.
4.
To free from doubt, suspense, or uncertainty; to give assurance to; to set at rest the mind of; to convince; as, to satisfy one's self by inquiry.
The standing evidences of the truth of the gospel are in themselves most firm, solid, and satisfying. — Atterbury

Satisfy , intransitive verb

1.
To give satisfaction; to afford gratification; to leave nothing to be desired.
2.
To make payment or atonement; to atone. — Milton