Synonyms and related words :
adjacent, adjoining, binding, bordering, coalescent, coalescing, combinative, combinatory, combining, communicating, conjunctival, conjunctive, connectional, connective, conterminous, contiguous, copulative, coterminous, end to end, endways, endwise, face to face, immediate, intercommunicating, joined, joining, juxtaposed, juxtapositional, juxtapositive, linking, meeting, neighbor, neighboring, next, unific, unifying, uniting