Cōn'so-nance or Cōn'so-nan-cy, n.

noun

n. [Lat. consonantia, Pr., Sp., & Pg. consonancia, It. consonanza, Fr. consonance.]

  1. (Mus.) Accord or agreement of sounds; a pleasing accord of sounds produced simultaneously, as the third, fifth, and eighth.
  2. A state of agreement or congruity; consistency; suitableness. “The perfect consonancy of our persecuted church to the doctrines of Scripture and antiquity.” Hammond.

Syn.—Agreement; accord; consistency; unison; harmony; congruity; suitableness; agreeableness.