Rationalized

The professor rationalized the difficult assignment by explaining its relevance to the course material.

They rationalized their late-night partying by arguing that they needed to destress after a long week.

She rationalized her excessive shopping habits by convincing herself that she deserved the treats.

The student rationalized his poor grades by saying that he didn't have enough time to study.

The chef rationalized his unconventional ingredient choice by explaining how it enhanced the dish's flavor profile.