D defs.my
Entry 3 senses Webster, 1913

Harmonically

/(-ĭ*kal*ly̆)/ · Har·mon·ic·al·ly · IPA
01 adv. In an harmonical manner; harmoniously.
  1. 1.
    In an harmonical manner; harmoniously.
  2. 2.
    In respect to harmony, as distinguished from melody; as, a passage harmonically correct.
  3. 3.
    In harmonical progression.(Math.)