humorous...not sure!
The word humor is both a noun and a verb.Examples:He has a good sense of humor. (noun)It does no harm to humor him. (verb)
a verb form is dignify
The word "humor" can function as both a noun and a verb. As a noun, it refers to the quality of being amusing or comical. As a verb, it means to try to cheer someone up or maintain a light-hearted mood.
The verb form of the word hard is harden.
The verb form is evolve (evolves, evolving, evolved).
Conclude is the verb form; conclude, concludes, concluding, concluded. The noun form of the word is conclusion.
The verb form of the word "nation" is "nationalize."
The word "rain" is a verb in its base form.
to modernize
The verb form of the word "inquiry" is "inquire."
The verb form is enthuse.
The word synchronized is a verb. It is the past tense form of the verb synchronize.