The Collaborative International Dictionary of English v.0.48:
Festal \Fes"tal\, a. [L. festum holiday, feast. See feast.] Of or pertaining to a holiday or a feast; joyous; festive. [1913 Webster] You bless with choicer wine the festal day. --Francis. [1913 Webster]WordNet (r) 3.0 (2006):
festal adj 1: offering fun and gaiety; "a festive (or festal) occasion"; "gay and exciting night life"; "a merry evening" [syn: gay, festal, festive, merry]