To put it rather uncharitably, the USPHS practiced a major dental experiment on a city full of unconsenting subjects.
Stella laid down her pen with the ready obedience which can be made so baffling when it proceeds from an unconsenting will.
He was not for the moment horrible to her unconsenting will.
The officer was loud and impassioned, the lady firm but unconsenting.
His gay courage held her unconsenting admiration even while she resented it.
early 13c., from Old French consentir (12c.) "agree, comply," from Latin consentire "feel together," from com- "with" (see com-) + sentire "to feel" (see sense (n.)). "Feeling together," hence, "agreeing, giving permission," apparently a sense evolution that took place in French before the word reached English. Related: Consented; consenting.
c.1300, "approval," also "agreement in sentiment, harmony," from Old French consente, from consentir (see consent (v.)). Age of consent is attested from 1809.