D defs.my
Entry 2 senses Webster, 1913

Serenely

· Se·rene·ly · IPA /sərˈiːnəliː/
01 adv. In a serene manner; clearly.
  1. 1.
    In a serene manner; clearly.
    “Now setting Phœbus shone serenely bright.” Pope.
  2. 2.
    With unruffled temper; coolly; calmly.