assent

nouns

agreement with a statement or proposal to do something
"he gave his assent eagerly"; "a murmur of acquiescence from the assembly"
acquiescence, assent

verbs

to agree or express agreement
"The Maestro assented to the request for an encore"
accede, acquiesce, assent
is derived from
assentient
antonym
dissent
is derived from
assenter