From Longman Dictionary of Contemporary Englishattiredat‧tired /əˈtaɪrəd $ əˈtaɪrd/ adjective [not before noun] formal WEAR CLOTHESdressed in a particular way He arrived suitably attired in a dark dinner suit.
Examples from the Corpus
attired• Sean was properly attired in coat and tie.suitably attired• Present-day runners, whether amateur or professional, are more suitably attired in vest and shorts and well-trained.• It was another dull day, but, suitably attired, she later went by taxi up to the house.Origin attired (1200-1300) Old French atirier, from tire “order, rank” 