to put an end to the activities of (a person, body of persons, etc.)

to suppress the Communist party.

to do away with by or as by authority; abolish; stop (a practice, custom, etc.).

to keep in or repress (a feeling, smile, groan, etc.).

to withhold from disclosure or publication (truth, evidence, a book, names, etc.).

to stop or arrest (a flow, hemorrhage, cough, etc.).

to vanquish or subdue (a revolt, rebellion, etc.); quell; crush.

Electricity . to reduce or eliminate (an irregular or undesired oscillation or frequency) in a circuit.