virtuoso (n.)

1610s, "scholar, connoisseur," from Italian virtuoso (plural virtuosi), noun use of adjective meaning "skilled, learned, of exceptional worth," from Late Latin virtuosus (see virtuous). Meaning "person with great skill, one who is a master of the mechanical part of a fine art" (as in music) is first attested 1743.

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Definitions of virtuoso from WordNet
virtuoso (n.)
someone who is dazzlingly skilled in any field;
Synonyms: ace / adept / champion / sensation / maven / mavin / genius / hotshot / star / superstar / whiz / whizz / wizard / wiz
virtuoso (n.)
a musician who is a consummate master of technique and artistry;
virtuoso (adj.)
having or revealing supreme mastery or skill;
a virtuoso performance