Main entry: lavishly, richly, extravagantly
Definition: in a rich and lavish manner
Usage: lavishly decorated
Main entry: abundantly, extravagantly, copiously, profusely
Definition: in an abundant manner
Usage: they were abundantly supplied with food; he thanked her profusely
Main entry: extravagantly, lavishly
Definition: in a wasteful manner
Usage: the United States, up to the 1920s, used fuel lavishly, mainly because it was so cheap