Become known, be discovered, as in The whole story came out at the trial. [c. 1200]
Be issued or brought out, as in My new book is coming out this month. [Late 1500s]
Make a formal debut in society or on the stage, as in In New York, debutantes come out in winter. [Late 1700s]
End up, result, as in Everything came out wrong. [Mid-1800s] Also see come out ahead.
come out for or against. Declare oneself publicly in favor of or opposed to someone or something, as in The governor came out for a tax cut, or Many senators came out against the bill. [Late 1800s]
Also, come out of the closet. Reveal that one is homosexual, as in The military has specific policies regarding soldiers who come out of the closet while enlisted. [Mid-1900s] Also see the subsequent entries beginning with come out.