Synonyms and related words :
accord, act with, advocate, agree, agree in opinion, agree with, align with, back, back up, backstop, champion, chime in with, close with, coincide, concur, conform to, ditto, echo, fall in with, flock to, get behind, get in behind, get together with, go along with, go in with, go with, join, join hands with, join up with, join with, line up with, meet, rally round, range with, run interference for, second, stand back of, stand behind, stand by, stand in with, stick by, stick up for, strike in with, string along with, swing in with, take part with, take sides with, team up with, throw in with, unite with, uphold