from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To make rational.
- transitive v. To interpret from a rational standpoint.
- transitive v. To devise self-satisfying but incorrect reasons for (one's behavior): "Many shoppers still rationalize luxury purchases as investments” ( Janice Castro).
- transitive v. Mathematics To remove radicals, such as from a denominator, without changing the value of (an expression) or roots of (an equation).
- transitive v. Chiefly British To bring modern, efficient methods to (an industry, for example).
- intransitive v. To think in a rational or rationalistic way.
- intransitive v. To devise self-satisfying but incorrect reasons for one's behavior.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To make something rational or more rational.
- v. To remove radicals, without changing the value of an expression or the roots of an equation.
- v. To structure something along modern, efficient and systematic lines, or according to scientific principles.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To make rational; also, to convert to rationalism.
- transitive v. To interpret in the manner of a rationalist.
- transitive v. To form a rational conception of.
- transitive v. To render rational; to free from radical signs or quantities.
- intransitive v. To use, and rely on, reason in forming a theory, belief, etc., especially in matters of religion: to accord with the principles of rationalism.
from The Century Dictionary and Cyclopedia
- To make conformable to reason; give rationality to; cause to be or to appear reasonable or intelligible.
- To subject to the test of reason; explain or interpret by rational principles; treat in the manner of a rationalist; as, to rationalize religion or the Scriptures.
- In algebra, to free from radical signs.
- To think for one's self; employ the reason as a supreme test; argue or speculate upon the basis of rationality or rationalism; act as a rationalist.
- Also spelled rationalise.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. think rationally; employ logic or reason
- v. weed out unwanted or unnecessary things
- v. defend, explain, clear away, or make excuses for by reasoning
- v. remove irrational quantities from
- v. structure and run according to rational or scientific principles in order to achieve desired results
rational + -ize (Wiktionary)