Source : Webster's Revised Unabridged Dictionary (1913)

Hesitantly \Hes"i*tant*ly\, adv.
   With hesitancy or doubt.

Source : WordNet®

hesitantly
     adv : with hesitation; in a hesitant manner; "he finally accepted
           hesitantly" [syn: {hesitatingly}] [ant: {unhesitatingly}]