Pro·ba'tion·a·ry adjective Of or pertaining to probation; serving for trial. « To consider this life . . . as a probationary state.» Paley. Found on http://www.encyclo.co.uk/webster/P/165
provisionaladjective under terms not final or fully worked out or agreed upon; `probationary employees`; `a provisional government`; `just a tentative schedule` Found on https://www.encyclo.co.uk/local/20974