Merriam-Webster Online Dictionary
require (verb)transitive verb
1.
a) to claim or ask for by right and authority
b) archaic - request
2.
a) to call for as suitable or appropriate - the occasion requires formal dress
b) to demand as necessary or essential have a compelling need for - all living beings require food
3.
to impose a compulsion or command on - compel
4.
intransitive verb
chiefly British to feel or be obliged - used with a following infinitive one does not require to be a specialist Elizabeth Bowen archaic - ask demand
Merriam-Webster Online Thesaurus
require (verb)to have as a requirement
SYNONIMS:
bear, challenge, claim, demand, necessitate, require, take, want, warrantRELATED WORDS:
entail, involve; ask, beg, claim, clamor (for), cry (for); hurt (for), lack; command, enjoin, exact, insist, press, quest, stipulateNEAR ANTONYMS:
own, possess