comforter - noun

commiserates with someone who has had misfortune

a person who reduces the intensity (e.g., of fears) and calms and pacifies

bedding made of two layers of cloth filled with stuffing and stitched together

device used for an infant to suck or bite on

comforter - thesaurus

allayer   comfort   pacifier   puff   quilt   reliever   sympathiser   sympathizer