Causing or having the effect of causing stimulation or excitement.
Stimulatory things make people feel excited or full of energy.
Examples:
The music had a stimulatory effect on the crowd.
The bright colors were stimulatory for the children.
The stimulatory game made everyone happy.
The stimulatory movie made everyone want to dance!
The stimulatory drink made him run around the room.
The stimulatory news made her jump for joy.