Formalises is a verb meaning to make something official or give it a formal structure. There are several synonyms for this word, including legitimizes, authorizes, sanctions, validates, approves, ratifies, and legalizes. Each of these words represents a slightly different aspect of the formalization process, but they all emphasize the importance of establishing a clear and accepted framework for something. Other related words might include standardize, normalize, or systematize, which speak to the process of creating a consistent and uniform approach to something. Ultimately, formalization is about creating a structure that others can rely on and trust, whether that's in the context of business, government, or personal relationships.