perfectly in WordNet English dictionary

1. completely and without qualification; used informally as intensifiers
   "an absolutely magnificent painting"; "a perfectly idiotic idea"; "you're perfectly right"; "utterly miserable"; "you can be dead sure of my innocence"; "was dead tired"; "dead right"
   absolutely  perfectly  utterly  dead  absolutely  perfectly  utterly  dead 
   
2. in a perfect or faultless way
   "She performed perfectly on the balance beam"; "spoke English perfectly"; "solved the problem perfectly"
   perfectly  perfectly