1) Anxiously 2) Apprehensively 3) Cautiously 4) Doubtfully 5) Hesitatingly 6) In a hesitant manner 7) Indecisively 8) Nervously 9) Sheepishly 10) Shyly 11) Tentatively 12) Timidly 13) Uncertainly 14) Undecidedly 15) Waveringly 16) With hesitation 1) Anxiously 2) Doubtfully 3) Hesitatingly 4) Irresolutely 5) Nervously 6) Uncertainly 
• (adv.) With hesitancy or doubt.
Hes'i·tant·ly adverb With hesitancy or doubt. 
[adv] - with hesitation
hesitant, hesitance, hesitancy, hesitantly Reluctant to do or say something because of indecision or lack of confidence.
hesitatingly adverb with hesitation; in a hesitant manner; `he finally accepted hesitantly`