brilliantly

Concise Oxford English Dictionary © 2008 Oxford University Press:
brilliant/ˈbrɪliənt/

▶adjective

• 1 (of light or colour) very bright or vivid.

• 2 exceptionally clever or talented.

• 3 Brit. informal excellent; marvellous.

▶noun a diamond of brilliant cut.

– derivatives
brilliance (also brilliancy) noun,
brilliantly adverb.

– origin C17: from Fr. brillant, from briller ‘shine’, prob. ult. from L. beryllus (see beryl).