Swell: to rise in waves, as the sea. A wave, especially when long and unbroken, or a series of such waves.
Swell: to increase abnormally in size, as by inflation, distention, accumulation of fluids, injury or the like: Her ankles swelled from standing.
Swell: to puff up with pride.
Swell: to cause to increase gradually in loudness: to swell a musical tone.
Swell: Stylish, elegant, fashionably dressed, first rate, fine: a swell party