rationalise

Verb

• structure and run according to rational or scientific principles in order to achieve desired results
• defend, explain, clear away, or make excuses for by reasoning
• think rationally; employ logic or reason
• remove irrational quantities from
• weed out unwanted or unnecessary things
• Non-Oxford British English standard spelling of rationalize.

Synonyms

apologise, apologize, cut, excuse, justify, prune, rationalize