verb (v)

• give sanction to(verb.communication)

  Example:
  I approve of his educational policies.
  

  Synonym:
  o.k., okay, sanction
  Antonym:
  disapprove, reject
  

  source: wordnet30
• judge to be right or commendable; think well of(verb.cognition)

  Antonym:
  disapprove
  

  source: wordnet30
• To show to be real or true; to prove.(verb)

  source: webster1913
• To make profit of; to convert to one's own profit; -- said esp. of waste or common land appropriated by the lord of the manor.(verb)

  source: webster1913