prodigy

Noun

• an impressive or wonderful example of a particular quality
  • the Marines are expected to perform prodigies of valor
    

• a sign of something about to happen
  • he looked for an omen before going into battle
    

• an unusually gifted or intelligent (young) person; someone whose talents excite wonder and admiration
  • she is a chess prodigy
    

Related words

• Synonyms: 
  omen , portent , presage , prognostic , prognostication