Source : Webster's Revised Unabridged Dictionary (1913)

Meekly \Meek"ly\, adv.
   In a meek manner. --Spenser.

Source : WordNet®

meekly
     adv 1: in a submissive or spiritless manner; "meekly bowed to his
            wishes"
     2: in a humble manner; "he humbly lowered his head" [syn: {humbly}]