Imperative
WordNet
adjective
(1) Requiring attention or action
"As nuclear weapons proliferate, preventing war becomes imperative"
"Requests that grew more and more imperative"
(2) Relating to verbs in the imperative mood
noun
(3) Some duty that is essential and urgent
(4) A mood that expresses an intention to influence the listener's behavior
WiktionaryText
Noun
- The grammatical mood expressing an order (see jussive). In English, the imperative form of a verb is the same form as that of its second person ("you") present tense.
- The verbs in sentences like "Do it!" and "Say what you like!" are in the imperative.
- A verb in imperative mood.
- An essential action, a must: something which is imperative.
- Visiting Berlin is an imperative.