Assembled

The manager assembled the players on the field.

The students assembled in the classroom.

The teacher assembled the students in the hall.

The club members assembled in the meeting room.

The police assembled several unemployed men.

The police assembled a lot of evidence against him.

The leaders assembled in Paris for a meeting.

The president assembled his advisers for a conference.

The mechanic assembled the engine.

The teachers assembled their classes in the gymnasium.