• a thing that contributes extra features to something else in such a way as to improve or emphasize its quality

Synonyms: accompaniment, companion, addition, supplement, accessory, adjunct, trimming, finishing touch, final touch

• a number or quantity of something, especially that required to make a group complete

Synonyms: amount, total, aggregate, contingent, company

• one or more words, phrases, or clauses governed by a verb (or by a nominalization or a predicative adjective) that complete the meaning of the predicate. In generative grammar, all the constituents of a sentence that are governed by a verb form the complement

• a group of proteins present in blood plasma and tissue fluid which combine with an antigen–antibody complex to bring about the lysis of foreign cells

• contribute extra features to (someone or something) in such a way as to improve or emphasize their qualities

Synonyms: accompany, go with, round off, set off, suit, harmonize with, be the perfect companion to, be the perfect addition to, add the finishing touch to, add the final touch to, add to, supplement, augment, enhance, complete