According to vocabulary.com, lively is an adjective that conveys being full of energy, spirit, or activity.
- The Chamber of Commerce touted downtown as a lively atmosphere.
- When he walked into the room, all the women became lively.
- No one wants to attend a party that isn’t lively.
- Being lively is one of her strengths.
Some synonyms include animated, bright, buoyant, and bustling.