noun (n)

• a mental impression retained and recalled from the past(noun.cognition)

  source: wordnet30
• the process of remembering (especially the process of recovering information by mental effort)(noun.cognition)

  Synonym:
  recall, recollection
  

  source: wordnet30
• The act or power of recalling past experience; the state of being reminiscent; remembrance; memory.(noun)

  source: webster1913