1) Of or relating to comparison.
2) Proceeding by, founded on, or using comparison as a method of study.
3) Grammar: Being, noting, or pertaining to the intermediate degree of
the comparison of adjectives, as better and more beautiful, the
comparative forms of good and beautiful, and of adverbs, as nearer and
more carefully, the comparative forms of near and carefully (Dictionary.com).
→ comparison; → -ive.