The word "nonconsent" refers to the lack of agreement or permission. However, there are various antonyms that can be used to convey the opposite meaning. One such antonym is "consent," which implies agreement or permission. Other antonyms for "nonconsent" include "approval," "consentience," "assent," "compliance," "acquiescence," and "concord." These words imply an active or passive agreement to a given action or decision. Using antonyms of "nonconsent" may help to clarify a situation or action that has been approved or agreed to by one or more parties involved.