D defs.my
Entry 2 senses Webster, 1913

Greatly

· Great·ly · IPA /ˈɡɹeɪtli/
01 adv. In a great degree; much.
  1. 1.
    In a great degree; much.
    “I will greatly multiply thy sorrow.” — Gen. iii. 16.
  2. 2.
    Nobly; illustriously; magnanimously.
    “By a high fate thou greatly didst expire.” Dryden.