Source : Webster's Revised Unabridged Dictionary (1913)

Hesitatingly \Hes"i*ta`ting*ly\, adv.
   With hesitation or doubt.

Source : WordNet®

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