Attractant (noun)

A substance or factor that attracts or causes attraction.

Origin:

Late 19th century; earliest use found in scientific american. from attract + -ant.

Examples:

1. Birds are attracted to bird feeders filled with sunflower seeds which serve as a natural attractant.
2. Pheromones are chemical attractants produced by many insects to attract mates.
3. The bright yellow color of daffodils serves as an attractant to pollinators such as bees.
4. The strong odor of rotting fish is a powerful attractant to scavenger animals like vultures.
5. The city plans to use the new park as an attractant for businesses and residents.