In virtue of means "because of," "based on," or "by means of." Some synonyms for this phrase include "on account of," "by reason of," "thanks to," and "due to." Other alternatives include "in light of," "considering," and "taking into account." These phrases are commonly used when discussing the reasons or basis for something, such as a decision, action, or outcome. By using synonyms for in virtue of, writers and speakers can add variety to their language and avoid repetitive phrasing. It is important to choose the most appropriate synonym for the context and tone of the message being conveyed.