verb (v)

• increase the pressure on a gas or liquid(verb.change)

  Synonym:
  pressurise, supercharge
  

  source: wordnet30
• maintain a certain pressure(verb.change)

  Example:
  The airplane cabin is pressurized.
  Pressurize a space suit.
  

  Synonym:
  pressurise
  

  source: wordnet30
• increase the pressure in or of(verb.change)

  Example:
  The captain will pressurize the cabin for the passengers' comfort.
  

  Antonym:
  decompress, depressurise, depressurize
  

  source: wordnet30