Definition of: require

(ri·kwīr′) v. ·quired, ·quir·ing v.t.
1. To have need of; find necessary.
2. To demand authoritatively; insist upon: to require absolute silence.
3. To command; order: He requires us to be punctual.
—v.i.
4. To make demand or request. See synonyms under ASK, DEMAND, DICTATE, MAKE. [<L requirere seek again, be in want of <re- again + quaerere ask, seek]
—re·quir′a·ble adjective
—re·quir′er noun