Adverbs

(r)abundantly, copiously, profusely, extravagantlyin an abundant manner“they were abundantly supplied with food”, “he thanked her profusely”
(r)extravagantly, lavishlyin a wasteful manner“the United States, up to the 1920s, used fuel lavishly, mainly because it was so cheap”
(r)lavishly, richly, extravagantlyin a rich and lavish manner“lavishly decorated”