ace in WordNet English dictionary

1. the smallest whole number or a numeral representing this number
   "he has the one but will need a two and three to go with it"; "they had lunch at one"
   one  1  I  ace  single  unity 
   
2. a serve that the receiver is unable to reach
   ace 
   
3. one of four playing cards in a deck having a single pip on its face
   ace 
   
4. someone who is dazzlingly skilled in any field
   ace  adept  champion  sensation  maven  mavin  virtuoso  genius  hotshot  star  superstar  whiz  whizz  wizard  wiz 
   

1. of the highest quality
   "an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"
   ace  A-one  crack  first-rate  super  tiptop  topnotch  top-notch  tops 
   

1. score an ace against
   "He aced his opponents"
   ace 
   
2. serve an ace against (someone)
   ace 
   
3. play (a hole) in one stroke
   ace 
   
4. succeed at easily
   "She sailed through her exams"; "You will pass with flying colors"; "She nailed her astrophysics course"
   breeze through  ace  pass with flying colors  sweep through  sail through  nail