join in WordNet English dictionary

1. the shape or manner in which things come together and a connection is made
   articulation  join  joint  juncture  junction 
   
2. a set containing all and only the members of two or more given sets
   "let C be the union of the sets A and B"
   union  sum  join 
   

1. cause to become joined or linked
   "join these two parts so that they fit together"
   join  bring together 
   
2. make contact or come together
   "The two roads join here"
   join  conjoin 
   
3. be or become joined or united or linked
   "The two streets connect to become a highway"; "Our paths joined"; "The travelers linked up again at the airport"
   connect  link  link up  join  unite 
   
4. become part of; become a member of a group or organization
   "He joined the Communist Party as a young man"
   join  fall in  get together 
   
5. come into the company of
   "She joined him for a drink"
   join