suppression
US /səˈprɛʃ.ən/
UK /səˈprɛʃ.ən/

1.
the action of suppressing something such as an activity or publication
:
•
The government ordered the suppression of the protest.
•
There was a strict suppression of news during the war.
2.
the conscious or unconscious restraint of an impulse, desire, or idea
:
•
He practiced the suppression of his anger.
•
The suppression of emotions can lead to psychological problems.