Rationalization n. : The act or process of rationalizing.

Example:
What is the difference between cognitive dissodance and Rationalization?

Taxonomy
Rationalization, free encyclopedia, Rationalisation, rational justification, imaginary number, admittance, numerator and denominator, rationality and power, complex conjugate, search, free dictionary, mental process, hypnosis, post-hypnotic, pre-existing, ad-hoc, workflow, transition.

Defination from the web:
Rationalization (psychology), the process of constructing a logical justification for a decision that was originally arrived at through a different mental process ... Rationalization (economics), an attempt to change a pre-existing ad-hoc workflow into one that is based on a set of ...