verb (v)

• exert a force with a heavy weight(verb.contact)

  Synonym:
  bear down on, drag down, press down on, weigh down
  

  source: wordnet30
• contract the abdominal muscles during childbirth to ease delivery(verb.contact)

  Synonym:
  overbear
  

  source: wordnet30
• to make a rush at or sudden attack upon, as in battle(verb.competition)

  Synonym:
  charge
  

  source: wordnet30
• exert full strength(verb.competition)

  source: wordnet30
• pay special attention to(verb.communication)

  source: wordnet30
• exert a force or cause a strain upon(verb.communication)

  source: wordnet30