pressurize
Definitions
To maintain a normal atmospheric pressure inside an enclosed space, such as an aircraft cabin.
To apply physical pressure to something.
To attempt to persuade or coerce someone into doing something.
Examples
The engineers had to pressurize the cabin before the aircraft could take off.
You must pressurize the tank slowly to avoid any structural damage.
Deep-sea divers use specialized equipment to pressurize their suits for extreme depths.