Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb require

4 senses of require

Sense 1
necessitate, ask, postulate, need, require, take, involve, call for, demand -- (require as useful, just, or proper; "It takes nerve to do what she did"; "success usually requires hard work"; "This job asks a lot of patience and skill"; "This position demands a lot of personal sacrifice"; "This dinner calls for a spectacular dessert"; "This intervention does not postulate a patient's consent")

Sense 2
ask, require, expect -- (consider obligatory; request and expect; "We require our secretary to be on time"; "Aren't we asking too much of these children?"; "I expect my students to arrive in time for their lessons")
       => demand -- (request urgently and forcefully; "The victim's family is demanding compensation"; "The boss demanded that he be fired immediately"; "She demanded to see the manager")

Sense 3
command, require -- (make someone do something)
       => order, tell, enjoin, say -- (give instructions to or direct somebody to do something with authority; "I said to him to go home"; "She ordered him to do the shopping"; "The mother told the child to get dressed")

Sense 4
want, need, require -- (have need of; "This piano wants the attention of a competent tuner")
       => be -- (have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer")