Locus standi is a legal term that refers to the right or standing of a party to bring a legal action or make an argument in court. Other synonyms for locus standi include standing, capacity, qualification, entitlement, right, authority, legitimacy, admissibility, and legality. Having a locus standi is important in legal procedures because it determines whether a person or entity has the right to initiate or participate in a legal action or proceeding. The concept of locus standi is widely used in legal systems around the world and is critical in ensuring access to justice and fairness in legal proceedings.