When it comes to defining the term "votes in", there are several synonyms that can be used. These include "approve", "authorize", "sanction", "ratify", "endorse", and "validate". All of these terms essentially imply the act of giving one's support or agreement to a particular decision or action. For example, when a group of individuals votes in favor of a new policy proposal, they are essentially approving or endorsing it. Similarly, when a government body votes to ratify a treaty or agreement, they are sanctioning or validating its terms. Using these synonyms can help to make one's writing more concise and impactful, while also conveying a sense of decisive action and commitment.