Imminution n. : A lessening; diminution; decrease.

Example:


Taxonomy
animals, Hayes, cultures, Heyes, mirror neurons, chimpanzee, Huber, paradigm, Custance, Animal Behaviour, free encyclopedia, reported evidence, Journal of Comparative Psychology, language, scientists, Definitions, models, Voelkl.

Defination from the web:
Imitation is an advanced behavior whereby an individual observes and replicates another's. ... Marco Iacoboni, Roger P. Woods, Marcel Brass, Harold Bekkering, John C. Mazziotta, Giacomo Rizzolatti, Cortical Mechanisms of Human Imitation, Science 286:5449 (1999) ...