Rotative means able to turn around a central point.
Rotative is a technical word used to talk about things that spin or turn.
Examples:
The rotative part of the machine spins around.
The rotative motion makes the toy go round and round.
The rotative movement of the windmill generates electricity.
The rotative chair is making me dizzy!
The rotative blades of the helicopter make a loud noise.
The rotative motion of the Earth makes day and night.