The Clue The "A" of I.P.A.
The Answer ALE
The clue "The 'A' of I.P.A." refers to the term "India Pale Ale." In this abbreviation, the letter "A" stands for "Ale." An IPA is a popular type of beer known for its hoppy flavor. Therefore, the answer "ALE" fits perfectly as it directly represents the letter "A" in the abbreviation.