noncommittally


non·com·mit·tal

N0136000 (nŏn′kə-mĭt′l)adj. Refusing commitment to a particular opinion or course of action; not revealing what one feels or thinks: "His face was the color of a freshly baked pork pie and as noncommittal" (Thomas Pynchon).
non′com·mit′tal·ly adv.

noncommittally

(ˌnɒnkəˈmɪtəlɪ) advin a noncommital manner