Damnability is a noun that refers to the quality of being condemned or deserving of punishment, typically for a misdeed. Some possible synonyms for damnability might include culpability, blameworthiness, guiltiness, or reprehensibility. These terms all share a sense of responsibility for wrongdoing or harm caused, whether intentional or not. Other options might include words like condemnativeness, iniquity, or sinfulness, which more explicitly suggest a judgmental or moralistic perspective. Ultimately, the choice of synonym will depend on the specific context in which damnability is being used and the desired tone or connotations of the text.