Synonyms for Junket (same or very similar meaning)
WordNet sense 1 (go on a pleasure trip):
junketeerWordNet sense 2 (provide a feast or banquet for):
banquet, feastWordNet sense 3 (a journey taken for pleasure):
excursion, expedition, jaunt, outing, sashay, pleasure tripFrom the ODE community, based on WordNetadd/edit