partner in WordNet English dictionary

1. a person's partner in marriage
   spouse  partner  married person  mate  better half 
   
2. an associate in an activity or endeavor or sphere of common interest
   "the musician and the librettist were collaborators"; "sexual partners"
   collaborator  cooperator  partner  pardner 
   
3. a person who is a member of a partnership
   partner 
   

1. provide with a partner
   partner 
   
2. act as a partner
   "Astaire partnered Rogers"
   partner