(law) Consent to an action by another person given based upon a clear appreciation and understanding of the facts, implications, and consequences of the action.

unanimously

Alternative form of nonconsent

In enacting formulae of bills and in other legal or constitutional contexts, the situation where a weak executive branch of a government enacts something previously approved of by the legislative branch or where the legislative branch concurs and approves something previously enacted by a strong executive branch.

a concept of social interaction, which states that people tend to assume that a lack of response to an action as a tacit approval of that action

A person over the age of consent who willingly has sex

(BDSM) A mutual agreement between partners to be able to act as if sexual consent has been waived.

(archaic) second-person singular simple past form of consent