Final answer:
Norming is the stage in group development where group members come to accept fellow members and develop a unity of purpose that binds them.
Step-by-step explanation:
The stage in group development where group members come to accept fellow members and develop a unity of purpose that binds them is known as norming. During this stage, group members establish shared norms, values, and expectations, leading to a greater sense of harmony and cooperation within the group. They also begin to understand each other's strengths and weaknesses, and roles and responsibilities are clarified. This stage is crucial for the successful functioning of a group and sets the stage for the next stage, performing.