1) Abut 2) Ally 3) Anastomose 4) Attach 5) Copulate 6) Engraft 7) Entwine 8) Ingraft 9) Inmarry 10) Inosculate 11) Intermarry 12) Marry 13) Mismarry 14) Remarry 15) Unify 16) Wive 1) Amalgamate with a union 2) Associate 3) Bring together 4) Combine 5) Connect 6) French word used in English 7) Join 8) Link 9) Link together 10) Link up 11) Make contact or come together 12) Stick together 13) Take in marriage 14) To combine 15) To intersect 16) To join together 17) To marry 18) To unite 
• (v. t.) To join together; to unite. • (v. i.) To unite; to join; to league.
Con·join' intransitive verb To unite; to join; to league. Shak. Con·join transitive verb [ imperfect & past participle Conjoined ; present participle & verbal noun Conjoining .] [ French conjoindre , from Latin conjungere , -junctum ; con- + jungere to join. See ...
to join together 
to join together; unite; combine; associate. · to join as coordinate elements, esp. as coordinate clauses.