THESAURUS
noncommittal
canny, careful, cautious, circumspect, constrained, cool, deliberate, discreet, gingerly, guarded, heedful, hesitant, incommunicable, judicious, leaving out nothing, mindful, on guard, overlooking no possibility, pawky, politic, precautional, precautionary, precautious, prudent, regardful, reserved, restrained, safe, slow to act, tentative, thorough, unadventurous, uncommunicative, undaring, unenterprising, unprecipitate, wary, watchful