Synonyms: attachment, fastening
Definition: the act of fastening things together
Similar words: joining, connection, connexion
Definition: the act of bringing two things into contact (especially for communication)
Usage: the joining of hands around the table; there was a connection via the internet
Synonyms: fastener, fastening, fixing, holdfast
Definition: restraint that attaches to something or holds something in place
Similar words: restraint, constraint
Definition: a device that retards something's motion
Usage: the car did not have proper restraints fitted