exhilarate

This word describes a sudden, intense surge of energy and joy, often linked to physical activity, risk, or a refreshing change in environment. It carries a stronger, more visceral connotation than simple happiness, suggesting a feeling of being electrified or awakened. Usage is typically positive and associated with peak experiences. While it can be used transitively to describe an external stimulus causing the emotion, the intransitive use focuses on the internal state of the person experiencing the rush.