conciliatory
con-cil-i-a-to-ry
adjective
Intended to make someone less angry or hostile; aiming to reconcile.
"She made a conciliatory gesture to end the dispute."
Thesaurus
Synonyms: compromising, yielding, flexible, conciliative, placatory, placating, appeasing, placative, pacific, propitiatory, propitiative, soft
Antonyms: antagonistic, inflexible, sturdy, uncompromising