self-possessed

Definitions

Calm, confident, and in control of one's feelings or behavior.

Poised and unflustered, especially in difficult or stressful situations.

Examples

Despite the chaos erupting around her, she remained remarkably self-possessed and focused on the task at hand.

The young diplomat was praised for his self-possessed demeanor during the intense and highly publicized negotiations.

Synonyms

composed calm collected poised cool unruffled serene

Antonyms

agitated flustered nervous anxious unsettled disturbed rattled