Group cohesiveness is the ability to think and act 'as one' if the group is physically together or not. It means supporting the group in whatever decision or action it takes even if a group member personally is not in favour of the act or thought. It does not mean supporting one person within a group (even though sometimes it may look like it)
signifies that two or more things are linked well Colloquialism: an expression used in informal language e g The workload had increased significantly during the last
Something that is cohesive consists of parts that fit together well and form a united whole. Huston had assembled a remarkably cohesive and sympathetic cast