The Collaborative International Dictionary of English v.0.48:
Liveried \Liv"er*ied\, a. Wearing a livery. See Livery, 3. [1913 Webster] The liveried servants wait. --Parnell. [1913 Webster]WordNet (r) 3.0 (2006):
liveried adj 1: wearing livery; "liveried footmen stood on the palace steps" [ant: unliveried]