Countermanding is a term that refers to the cancellation or revocation of an order or command. It is an action that nullifies a previous decision or direction. However, when looking for antonyms for countermandings, it is difficult to find words that are direct opposites. Some possible options could be affirmations, approvals, confirmations, endorsements, or validations. These words all imply support or agreement, which is the opposite of countermanding. Another option could be implementations, executions, or enforcements, which indicate the carrying out of a decision or action, rather than its cancellation. Ultimately, the antonyms for countermandings will depend on the context and intended meaning of the sentence.