Which word means to comply or consent passively and submit?

The word that means to comply or consent passively and submit is "acquiesce." This term describes a situation where one accepts something reluctantly but without protest, highlighting a sense of passive acceptance or agreement. It often implies that while there may be some reluctance or reservations, the individual chooses to go along with a situation rather than actively opposing it.

"Agree" conveys a more active willingness to accept or approve something, while "accede" typically involves giving consent, often after some negotiation or insistence. "Adhere" refers to sticking firmly to something or following a rule or guideline closely, which doesn’t capture the nuance of passive consent implied by acquiesce. In contrast, acquiescing suggests a quieter, more submissive form of agreement.