Antonyms for the word "disallowances" are allowances, approvals, endorsements, confirmations, permissions, sanctions, and authorizations. These words represent permission or approval given to specific actions, decisions, or requests. Unlike "disallowances," which signify a refusal to allow something, antonyms for this word represent an acknowledgment of the legitimacy of the request or action that necessitates permission or approval. For example, if an employee asks for permission to take a day off, their employer could either grant or disallow their request. If the employer approves the request, they are giving permission or authorization, which is an antonym for "disallowance.