D defs.my
Entry 2 senses Webster, 1913

Instrumentally

· In·stru·men·tal·ly · IPA
01 adv. By means of an instrument or agency; as means to an end.
  1. 1.
    By means of an instrument or agency; as means to an end.
    “They will argue that the end being essentially beneficial, the means become instrumentally so.” Burke.
  2. 2.
    With instruments of music; as, a song instrumentally accompanied.