hold out an olive branch

hold out/offer an olive branch

to do or say something in order to show that you want to end a disagreement with someone
Usage notes: An olive branch is traditionally a symbol of peace.
(often + to ) He held out an olive branch to the opposition by releasing 42 political prisoners.
See also: branch, hold, olive, out
References in periodicals archive ?
Yasser Arafat flew into an ecstatic throng of Palestinians on Sunday to proclaim Hebron ``liberated'' and to hold out an olive branch to Israel and the 450 dejected Jewish settlers in the city.