How do you spell Redintegration

Available Definitions:
1)  n. - Restoration to a whole or sound state; renewal; renovation.
2)  n. - Restoration of a mixed body or matter to its former nature and state.
3)  n. - The law that objects which have been previously combined as part of a single mental state tend to recall or suggest one another; -- adopted by many philosophers to explain the phenomena of the association of ideas.