Rationalize vs. Rationalise — What's the Difference?

Attempt to explain or justify (behaviour or an attitude) with logical reasons, even if these are not appropriate

Standard spelling of rationalize

Make (a company, process, or industry) more efficient, especially by dispensing with superfluous personnel or equipment

Structure and run according to rational or scientific principles in order to achieve desired results;

Convert (a function or expression) to a rational form.

Defend, explain, clear away, or make excuses for by reasoning;

To explain rationally

Think rationally; employ logic or reason;

To attempt to justify (one's behavior) by providing reasons that obscure one's actual motives

Remove irrational quantities from;

To dismiss or minimize the significance of (something) by means of an explanation or excuse

Weed out unwanted or unnecessary things;

To make (a business or process, for example) more efficient, as by reducing costs or introducing modern methods.

To terminate the employment of (workers) in an effort to improve efficiency.

(Mathematics) To remove radicals, such as from a denominator, without changing the value of (an expression) or roots of (an equation).

To think in a rational or rationalistic way.

To rationalize one's behavior.

To make something rational or more rational.

To justify an immoral act, or illogical behaviour. “The process of thought by which one justifies a discreditable act, and by which one offers to oneself and the world a better motive for one's action than the true motive”

(mathematics) To remove radicals, without changing the value of an expression or the roots of an equation.

To structure something along modern, efficient and systematic lines, or according to scientific principles. This often includes eliminating duplication and grouping like or similar items.

To make rational; also, to convert to rationalism.

To interpret in the manner of a rationalist.

To form a rational conception of.

To render rational; to free from radical signs or quantities.

To use, and rely on, reason in forming a theory, belief, etc., especially in matters of religion: to accord with the principles of rationalism.

Defend, explain, clear away, or make excuses for by reasoning;

Weed out unwanted or unnecessary things;

Structure and run according to rational or scientific principles in order to achieve desired results;

Think rationally; employ logic or reason;

Remove irrational quantities from;