To be discovered, be revealed.
To express one's opinion openly.
To make a debut in a new field.
To come out of the closet.
To walk onto the field at the beginning of an innings.
To end up or result.
To be deducted from.
To go on strike, especially out of solidarity with other workers.
To become visible in the sky as a result of clouds clearing away.
Used other than figuratively or idiomatically: see come, out.
To be published, be issued.
To be revealed (especially, of information intended to be kept secret).
To spill or pour out, because of a leak.