adj. 25B6; adjective
lavish parties : SUMPTUOUS, luxurious, gorgeous, costly, expensive, opulent, grand, splendid, rich, fancy; informal posh.
he was lavish with his hospitality : GENEROUS, liberal, bountiful, open-handed, unstinting, unsparing, free, munificent, extravagant, prodigal.
lavish amounts of champagne : ABUNDANT, copious, plentiful, liberal, prolific, generous; poetic/literary plenteous.
meagre, frugal.
25B6; verb she lavished money on her children : GIVE FREELY, spend generously, heap, shower.