The Collaborative International Dictionary of English v.0.48:

Entourage \En`tou`rage"\ ([aum]N`t[=oo]`r[.a]zh"), n. [F.]
   Surroundings; specif., collectively, one's attendants or
   associates.

         The entourage and mode of life of the mikados were not
         such as to make of them able rulers.     --B. H.
                                                  Chamberlain.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

entourage
    n 1: the group following and attending to some important person
         [syn: cortege, retinue, suite, entourage]