It felt heavenly, and angelic.
This question deals with synonyms (awful and terrible means similar things) so consider what a similar-meaning word would be for fabulous. I don't know if this is a multiple choice question or if you have to fill in a blank, but think of words like amazing or great - they mean similar things to fabulous. Keep this in mind as you answer this question.
The answer is modern. Adjectives are defined as <span>a word/words or phrase/phrases naming an attribute, added to or grammatically related to a noun to modify or describe it. In other words, it describes a noun or modifies a noun. In this sentence, modern modifies or describes the noun Olympics. Greece, Athens, and Olympics are not adjectives because the are nouns in themselves.</span>