con·join 
/kənˈʤoɪn/ verb
con·joins; con·joined; con·join·ing /kənˈʤoɪn/ verb formal 1 [no obj] : to join together
▪ The two rivers eventually conjoin. 2 [+ obj] : to join (two or more people or things) together
▪ their attempts to conjoin two very different concepts
▪ The two rivers eventually conjoin.
▪ their attempts to conjoin two very different concepts
