What is the name of the base form of and adjective?

Adjectives are found in different forms, among which comparative and superlative. However, is there a term to describe adjectives' "base form" (is "base form" the right term to coin them)?

Example:

Circle adjectives with different colors depending on whether they are written in their comparative, superlative or base form.


Solution 1:

The grammatical category associated with comparison of adjectives and adverbs is degree of comparison. The usual degrees of comparison are the positive ... the comparative ... and the superlative.