| verb | require as useful, just, or proper “It takes nerve to do what she did” |
| verb | consider obligatory; request and expect “We require our secretary to be on time” |
| verb | make someone do something |
| verb | have need of “This piano wants the attention of a competent tuner” |
| adjective | necessary for relief or supply “provided them with all things needful” |
| adjective | required by rule “in most schools physical education is compulsory” |
| necessity | noun | the condition of being essential or indispensable |
| need | noun | anything that is necessary but lacking |
| requirement | noun | required activity |
| demand | noun | required activity |
| expectation | noun | belief about (or mental picture of) the future |
| commandment | noun | something that is commanded |
| command | noun | an authoritative direction or instruction to do something |
| requisition | noun | the act of requiring; an authoritative request or demand, especially by a military or public authority that takes something over (usually temporarily) for military or public use |
| wanter | noun | a person who wants or needs something |
| want | noun | the state of needing something that is absent or unavailable |
| requisite | noun | anything indispensable |
| requisiteness | noun | the state of being absolutely required |
| mandate | verb | make mandatory |