The Collaborative International Dictionary of English v.0.48:
Provisionary \Pro*vi"sion*a*ry\, a. Provisional. --Burke. [1913 Webster]WordNet (r) 3.0 (2006):
provisionary adj 1: under terms not final or fully worked out or agreed upon; "probationary employees"; "a provisional government"; "just a tentative schedule" [syn: probationary, provisional, provisionary, tentative]