the state of being joined in an association or coalition
Mike: The alliance between the countries benefited all the citizens. Mine: United States and United Kingdom have a great alliance that they will help each other in a crisis situations.
Mike: The results can be good when students collaborate. Mine:Doing presentation help the students collaborate together.
Synonyms: be in cahoots, coact, cofunction, collude, come together, concert, concur, conspire, cooperate, coproduce, do business with, get together, glue oneself to, go partners, hook on, hook up, interface, join forces, join together, join up with, participate, team up, throw in together, throw in with, tie in, work with
Antonyms: disagree, divorce, part