Accessory

A Complete Dictionary of Synonyms and Antonyms, or Synonyms and Words of Opposite Meaning · 1898 · p. 1

(a.) SYN: A istant, additive, additional, auxiliary, supplementary, conducive. ANT: E ential, inherent, immanent, incorporate, superfluous, irrelevant, malapropos, obstructive, cumbersome.