Questionableness refers to a state of being suspicious or doubtful, and there are various synonyms that can be used in its place. The word "dubiousness" is one example of a synonym for questionableness. This term can be used to describe something that is uncertain or regarded with suspicion. Other synonyms for questionableness include "uncertainty," "ambiguity," "ambivalence," and "equivocation." These words can be used in various contexts, such as business, legal matters, or personal relationships, to describe situations that are not clear-cut and require further investigation or clarification. By using appropriate synonyms, one can convey a more precise and nuanced meaning and avoid ambiguity in their communication.