tentative
ten.ta.tive \'tent-*t-iv\ aj [ML tentativus, fr. L tentatus, pp. of tentare
to feel, try -m more at TEMPT 1: of the nature of an experiment or
hypothesis : not final : PROVI SIONAL, TEMPORARY {~ plans} 2: HESITANT,
UNCERTAIN {a ~ smile} - tentative n
Webster's English Dictionary