pacifier
(noun)
noun
1. someone who tries to bring peace
Similar word(s): conciliator, peacemaker, reconciler
Definition categories: person, intercessor, intermediary, intermediator, mediator
2. anything that serves to pacify
Definition categories: man–made, thing
3. device used for an infant to suck or bite on
Similar word(s): comforter
Definition categories: man–made, device