To reveal, uncover, make visible, bring to light, introduce (to).
To submit to an active (mostly dangerous) substance like an allergen, ozone, nicotine, solvent, or to any other stress, in order to test the reaction, resistance, etc.
To make available to other parts of a program, or to other programs.
To abandon, especially an unwanted baby in the wilderness.
To subject photographic film to light thereby recording an image.
To uncover; to show and display that which was hidden.
To communicate that which could not be known or discovered without divine or supernatural instruction.
The outer side of a window or door frame.
A revelation; an uncovering of what was hidden in the scene or story.