The IMF has said, in its measured language, that solving these problems is “imperative.”
What makes binding arbitration so effective is the imperative that both sides must agree up front to support the outcome.
On the imperative of a public option, Obama did not fully satisfy.
mid-15c., in grammar; later "something imperative" (c.1600), from Old French imperatif and directly from Late Latin imperativus (see imperative (adj.)).
A grammatical category describing verbs that command or request: “Leave town by tonight”; “Please hand me the spoon.”