What does the word swell mean?

Usage examples for swell

  1. You've a swell chance to make trouble now, Garth. – The Gray Mask by Wadsworth Camp
  2. She's gone gaddin' around with some of her swell friends. – The Power and the Glory by Grace MacGowan Cooke
  3. I'll take good care, he thought, that mine don't swell the number. – Who? by Elizabeth Kent