Extraversion (noun)

1. The state of being interested in and focused on the external world and other people, as opposed to being introverted and focused on one's own thoughts and feelings.
2. A personality trait characterized by sociability, assertiveness, and outgoingness.

Origin:

From the latin word extra "outside" and version "turning" or "tending".

Examples:

1. The test revealed that she had a high degree of extraversion.
2. He is outgoing and sociable, typical characteristics of extraversion.
3. The party was filled with extraverts enjoying the social interactions.
4. Her extraversion helped her succeed in her sales career.
5. The extraversion scale measures how outgoing and sociable a person is.