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 illuminate with limelight
A type of stage lighting once used in theatres and music halls, producing a bright light by the use of incandescent quicklime.
Attention, notice, a starring or central role, present fame.