1. Extremely well
   "he did splendidly in the exam"
   - excellently, magnificently, famously, awesomely, capitally 
2. In an impressively beautiful manner
   - gorgeously, resplendently, magnificently

See also: splendid

• interplanetary
• interplanetary dust
• interplanetary gas
• interplanetary medium
• interplanetary space
• interplay
• interpleader
• Interpol
• interpolate
• interpolation
• interpolator
• interpose
• interposition
• interpret
• interpretable
• interpretation
• interpretative
• interpretative dance
• interpretative dancing
• interpreted
• interpreter
• interpreting
• interpretive
• interpretive dance
• interpretive dancing