Outing (noun)

1. An excursion or trip.
2. An act or instance of coming out of the closet.

Origin:

Late 16th century (as a noun denoting the action of going out): from out + -ing.

Examples:

1. We went on a picnic outing to the lake.
2. The company had an outing to the amusement park.
3. He had always known he was gay, but his outing was not something he had planned.
4. The outing of the spy caused an international incident.
5. The outing was a great success, with a large turnout.