[verb] hold back, as of a danger or an enemy; check the expansion or influence of; "Arrest the downward trend"; "Check the growth of communism in Sout East Asia"; "Contain the rebel movement"; "Turn back the tide of communism" Synonyms:check, turn back, arrest, stop, contain
[verb] keep under control; keep in check; "suppress a smile"; "Keep your temper"; "keep your cool" Synonyms:restrain, suppress, keep, keep back
[verb] secure and keep for possible future use or application; "The landlord retained the security deposit"; "I reserve the right to disagree" Synonyms:retain, hold, keep back
[verb] hold back; keep from being perceived by others; "She conceals her anger well" Synonyms:conceal, hold in