What is the antonym of the word Intolerable?

Explanation

Option A is correct.Intolerable and Allowable are antonyms, or words with opposite meanings.Intolerable means unable to be endured or tolerated, often due to being unacceptable or unpleasant. Allowable means permitted or acceptable.They have opposite connotations, with Intolerable implying something is unacceptable and Allowable implying something is acceptable.