The Collaborative International Dictionary of English v.0.48:
Conciliative \Con*cil"i*a*tive\, a. Conciliatory. --Coleridge. [1913 Webster]WordNet (r) 3.0 (2006):
conciliative adj 1: intended to placate; "spoke in a conciliating tone"; "a conciliatory visit" [syn: conciliatory, conciliative] [ant: antagonistic]