D defs.my
Entry 2 senses Webster, 1913

Capitally

· Cap·i·tal·ly · IPA
01 adv. In a way involving the forfeiture of the head or life; as, to punish capitally.
  1. 1.
    In a way involving the forfeiture of the head or life; as, to punish capitally.
  2. 2.
    In a capital manner; excellently.[Colloq.]