Synonyms and related words :
accord, agree, agree with, associate with, be acquainted with, be friends, be inseparable, chime in with, correspond, cotton to, empathize, fall in with, fraternize with, get along, get along with, get on with, harmonize, harmonize with, hobnob with, identify with, interchange, know, reciprocate, respond to, sing in chorus, sympathize, understand one another