[ adverb ] in a wasteful manner
"the United States, up to the 1920s, used fuel lavishly, mainly because it was so cheap"
Used in print(The Christian Science Monitor,...)
The drama itself - and this seems to be lavishly true of Biblical drama - often has hardly any relationship with authenticity at_all .(Robert Heinlein, Stranger in a Strange Land....)
They went downstairs , loaded a tray lavishly .