Borrowed from Middle French acquiescer, from Latin acquiescō; ad + quiescō ("I rest"), from quies ("rest").

• IPA: /ˌækwiˈɛs/

acquiesce (acquiesces, present participle acquiescing; simple past and past participle acquiesced)

1. (intransitive, with in (or sometimes with, to)) To rest satisfied, or apparently satisfied, or to rest without opposition and discontent (usually implying previous opposition or discontent); to accept or consent by silence or by omitting to object.
   • 1799, Thomas Jefferson, The Kentucky Resolution of 1799:

     The representatives of the good people of this commonwealth in general assembly convened, having maturely considered the answers of sundry states in the Union, to their resolutions passed at the last session, respecting certain unconstitutional laws of Congress, commonly called the alien and sedition laws, would be faithless indeed to themselves, and to those they represent, were they silently to acquiesce in principles and doctrines attempted to be maintained in all those answers, that of Virginia only excepted.

   • 1846, Thomas De Quincey, “On Christianity, as an Organ of Political Movement”, in Tait's Magazine:

     They were compelled to acquiesce in a government which they did not regard as just.

   • 1847 December, Ellis Bell [pseudonym; Emily Brontë], Wuthering Heights: […], volume (please specify |volume=I or II), London: Thomas Cautley Newby, […], →OCLC ↗:

     Cathy was a powerful ally at home; and between them they at length persuaded my master to acquiesce in their having a ride or a walk together about once a week, under my guardianship, and on the moors nearest the Grange: for June found him still declining.

   • 1861 March 3, Abraham Lincoln, First Inaugural Address:

     If a minority, in such case, will secede rather than acquiesce, they make a precedent which, in turn, will divide and ruin them; for a minority of their own will secede from them whenever a majority refuses to be controlled by such minority.

2. (intransitive) To concur upon conviction; to assent to; usually, to concur, not heartily but so far as to forbear opposition.

   to acquiesce in an opinion

• (rest satisfied) submit, yield
• (concur upon conviction) accept tacitly, go along with; agree, assent, comply, concur, See also Thesaurus:acquiesce

• Italian: approvare, conformarsi, sottomettersi
• Portuguese: aquiescer
• Russian: соглаша́ться
• Spanish: conformar

• French: acquiescer
• Italian: consentire
• Spanish: consentir