fairly in WordNet English dictionary

1. in conformity with the rules or laws and without fraud or cheating
   "they played fairly"
   fairly  fair  clean  fairly  fair  clean 
   
2. without favoring one party, in a fair evenhanded manner
   "deal fairly with one another"
   fairly  fair  evenhandedly  fairly  fair  evenhandedly 
   
3. to a moderately sufficient extent or degree
   "pretty big"; "pretty bad"; "jolly decent of him"; "the shoes are priced reasonably"; "he is fairly clever with computers"
   reasonably  moderately  pretty  jolly  somewhat  fairly  middling  passably  reasonably  moderately  pretty  jolly  somewhat  fairly  middling  passably