Any of a class of behaviors that produce consequences by operating (i.e., acting) upon the environment.
An operative person or thing.
That operates to produce an effect.
Act or appearance of something that sparkles; a sparkle; a gleam.
A sparkling wine.
Of an object, reflecting light as if giving off tiny sparks or flashes of light.
Of a beverage, especially an alcoholic beverage, containing dissolved carbon dioxide (either naturally or that has been added) that comes out of solution in the form of many tiny bubbles.
Brilliant and vivacious.