deputation n. + Add to list UK //dˌɛpjuːtˈeɪʃən// dep·u·ta·tion SynonymsEtymology Synonyms commissiondelegacydelegatingdelegationmissionrelegatingrelegationOriginLA-LATdeputatio→FRMdéputation→ENdeputation From Middle French députation, from Late Latin deputatio.