rationalise

verb

1. 1

   weed out unwanted or unnecessary things

   We had to lose weight, so we cut the sugar from our diet

2. 2

   remove irrational quantities from

   This function can be rationalized

3. 3

   think rationally; employ logic or reason

   When one wonders why one is doing certain things, one should rationalize

4. 4

   defend, explain, clear away, or make excuses for by reasoning

   rationalize the child's seemingly crazy behavior

   he rationalized his lack of success

5. 5

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

   We rationalized the factory's production and raised profits