Another word for a convention that includes "join" is "joint." This term is often used to describe events or gatherings where multiple parties come together for a common purpose.
A convention could mean a conference, or something that is a custom.
A 7-letter word that can be another name for a convention is "meeting." It refers to a gathering of people for discussion or decision-making on specific topics.
unitemergeconnectmarryunifycombineblendcouplelinkconsolidate
Join.
Join.
The word is join.
A word meaning "to come together" is join.
There are so many other words that can be used as a substitute for convention. Some of the words include concordat, entente, accord, protocol and agreement among others.
William Samuel Johnson was allowed to join the constitutional convention because people respected him and he had influence on some of the other members. He was recommended by other friends to join.
Join, Singed on. Hope you enjoyed Cha Cha.
unite, merge, coalesce
yeah because i saw her there