I. adjective
( -er/-est )
Etymology: Middle English, from Old English glædlīc pleasant, shining
archaic : glad
II. adverb
( sometimes -er/-est )
Etymology: Middle English, from Old English glædlīce, adverb from glædlīc pleasant, shining, from glæd shining, glad + -līc -ly (adjective suffix)
: in a glad manner:
a. : with happiness and joy : joyfully
gladly welcomed him home again
b. : very willingly : cheerfully
your money will be gladly refunded