Word:

  assent

1. assent (v)
  to agree or express agreement. "The Maestro assented to the request for an encore".

2. assent (n)
  agreement with a statement or proposal to do something. "he gave his assent eagerly".

Opposite meanings of assent (Anytonyms)
dissent,  dissent

Words derived from assent
acquiescence,  assent,  accession,  assenting,  assenter,  acquiescence,  accede,  acquiesce,  assent

assent is an instance of
agree,  agreement

Word and things that fall within assent
connive,  acceptance,  conceding,  concession,  yielding