adj. 25B6; adjective
tentative arrangements 007C; a tentative conclusion : PROVISIONAL, unconfirmed, pencilled in, preliminary, to be confirmed, TBC, subject to confirmation; speculative, conjectural, untried, unproven, exploratory, experimental, trial, test, pilot.
he took a few tentative steps : HESITANT, uncertain, cautious, timid, hesitating, faltering, shaky, unsteady, halting; wavering, unsure.
definite, confident.