an act of acknowledging.

recognition of the existence or truth of something

the acknowledgment of a sovereign power.

an expression of appreciation.

a thing done or given in appreciation or gratitude.

Law .

a declaration before an official that one has executed a particular legal document.

an official certificate of a formal acknowledging.

public recognition by a man of an illegitimate child as his own.

noun

acceptance , accession , acquiescence , admission , admitting , affirmation , allowance , allowing , assent , assertion , asservation , avowal , compliance , conceding , concession , concurrence , confession , confirmation , corroboration , declaration , profession , ratification , realization , recognition , yielding , acclamation , addressing , answer , apology , applause , appreciation , bestowal , bow , card , contract , credit , gift , gratitude , greeting , guarantee , hail , hailing , letter , nod , notice , reaction , receipt , reply , response , return , salutation , salute , signature , statement , support , thanks , token