• IPA: /ˈlævɪʃli/

lavishly

1. In a lavish manner, expending profusely.

   He was noted to entertain lavishly, throwing the biggest and best parties in town.

   • 1892, Walter Besant, chapter II, in The Ivory Gate: A Novel, New York, N.Y.: Harper & Brothers, […], OCLC 16832619 ↗:

     At twilight in the summer […] the mice come out. They […] eat the luncheon crumbs. Mr. Checkley, for instance, always brought his dinner in a paper parcel in his coat-tail pocket, and ate it when so disposed, sprinkling crumbs lavishly—the only lavishment of which he was ever guilty—on the floor.

• French: fastueusement