to be on the same page
to pull one’s weight
to take one for the team
morale
to pitch in
to get on / along with someone
positive emotions, such as happiness, confidence and enthusiasm, felt at a particular time.
to make a personal sacrifice for the benefit of the team or group.
to work well or have a good relationship with someone.
to have the same understanding as another person/people.
to do your fair share of the work.
to contribute to the work of the team.