go out in WordNet English dictionary

1. date regularly; have a steady relationship with
   "Did you know that she is seeing an older man?"; "He is dating his former wife again!"
   go steady  go out  date  see 
   
2. move out of or depart from
   "leave the room"; "the fugitive has left the country"
   exit  go out  get out  leave 
   
3. become extinguished
   "The lights suddenly went out and we were in the dark"
   go out 
   
4. take the field
   "The soldiers went out on missions"
   go out 
   
5. leave the house to go somewhere
   "We never went out when our children were small"
   go out 
   
6. go out of fashion; become unfashionable
   go out 
   

go out in English Wiktionary