n. 1
Voluntary agreement or permission.
n. 2
Advice; counsel.
v. 1
To express willingness, to give permission.
After reflecting a little bit, I've decided to consent to her practising the piano in the house.
v. 2
To cause to sign a consent form.

Related words

Forms

Plural: consents → permissions, assents, agreements, approvals…
Past participle: consented
e.g. consented → agreed, approved, acquiesced, allowed…

Consent, Accede or Assent?

Accede expresses the more formal agreement, consent the more complete. To assent is an act of the understanding; to consent, of the will.

J. C. Fernald, English Synonyms and Antonyms (1914)

Use in printed books, per decade from 1850 to 2019.

3 letters: yes¹, tip¹
5 letters: leave¹, agree², allow², grant¹, admit², yield¹
6 letters: accept², submit², permit², comply², accord², unison³, concur², assent², accede²
7 letters: license², harmony³, approve², licence², concord², concede², conform², connive²
8 letters: approval³, sanction²
9 letters: agreement³, clearance², subscribe², accession³, unanimity⁵, acquiesce³
10 letters: permission³, compliance³, suggestion³
11 letters: willingness³, concurrence³, approbation⁴
12 letters: ratification⁵, acquiescence⁴
13 letters: authorization⁵, authorisation
14 letters: recommendation⁵

The small number after each word is its number of syllables (agree² = 2 syllables).