Noun

(en noun)

A person or thing that takes the place of another; a substitute.

* {{quote-news

, year=2010 , date=December 28 , author=Kevin Darlin , title=West Brom 1 - 3 Blackburn , work=BBC citation , page= , passage=Rovers lost keeper Robinson to a calf problem at half-time and his replacement Mark Bunn, making his Premier League debut, was immediately called into action - pushing away a vicious Peter Odemwingie drive at the near post.}}

The act of replacing something.

Noun

(en noun)

(rare) Restoration to a whole or sound state.

(chemistry, obsolete) Restoration of a mixture to its former nature and state.

(psychology) The reinstatement of a memory upon the presentation of a stimulus element that was a part of the stimulus complex that had aroused the event.

* 1956–1960 , (second edition, 1960), chapter ii: “Motives and Motivation”, page 44:

Now all this story might be true. But even if it were, it does not follow that reference to redintegration should be included as part of the definition of ‘motive’.

* ibidem , page 48:

Is McClelland’s concept of ‘motive’ yet another example of explanation masquerading as analysis? This is obviously so in his definition which includes the reference to redintegration of affect.