NO!!! 'Happily' is an adverb. Reason, in the English Language most adverbs end in '---ly'.
The noun 'hopefulness' is an abstract noun, a word for an emotion.
Abstract
Yes, future is an abstract noun.
The noun 'generosity' is an abstract noun, a word for a quality of someone or something.
Examples of abstract, concrete noun combinations:Statue of Liberty (statue is a concrete noun; liberty of an abstract noun)science building (science is an abstract noun; building is a concrete noun)bargain basement (bargain is an abstract noun; basement is a concrete noun)the noun 'air' is a concrete noun as a word for the substance that surrounds the earth; the noun 'air' is an abstract noun as a word for the ambiance of a place.the noun 'heart' is a concrete noun as a word for an organ of the body; the noun 'heart' is an abstract noun as a word for the essence of something.the noun 'edge' is a concrete noun as a word for the sharp side of a blade; the noun 'edge' is an abstract noun as a word for an advantage.
To change an adverb to an abstract noun, you typically need to identify the root word of the adverb and convert it into a noun form, often by adding a suffix. For example, the adverb "quickly" can be transformed into the abstract noun "quickness" by using the root word "quick" and adding the suffix "-ness." Another example is the adverb "happily," which can be changed to the abstract noun "happiness" by using the root "happy" and adding the suffix "-ness."
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
Is undergone an abstract noun
Concrete noun
The abstract noun is criticism.
The noun 'hopefulness' is an abstract noun, a word for an emotion.
The abstract noun is obligation.
Abstract noun of hopeless
Friendship has not abstract noun because It is a abstract noun
The abstract noun form is tourism.
The abstract noun for the adjective vacant is vacantness. Another abstract noun form is vacancy.
The abstract noun for the adjective quick is quickness.