stifle

To hold back the involuntary act of yawning, often out of politeness.

To stop oneself from laughing in a silly, uncontrolled way.

To prevent oneself from laughing out loud.

To control a strong desire or impulse to do something.

To try to stop oneself from crying noisily.

To stop oneself from letting out a loud, high cry of fear, pain, or excitement.

To hold back the sound of crying or shouting out.

To prevent people from expressing disagreement with official policies or opinions.

To prevent or stop a formal discussion or argument from happening.

To prevent oneself from showing or feeling a strong emotion.

To prevent new ideas, methods, or inventions from being introduced or developed.

To restrict or prevent the use of imagination or original ideas.