To make one's début.
A person’s or thing’s first appearance before society or another audience; one’s “maiden voyage”.
To reveal the identity of.
To remove one's hat or cap as a mark of respect.
To expose the genitalia.
To remove a cover from.
To show openly; to disclose; to reveal.
To expose (lines of formation of troops) successively by the wheeling to right or left of the lines in front.