The term "recision" refers to the act of canceling or revoking something that was previously granted or agreed upon. Antonyms for "recision" would, therefore, be words that mean the opposite of canceling or revoking. These could include terms such as "confirmation," meaning to uphold or authenticate a decision; "endorsement," meaning to support or promote; or "ratification," meaning to give formal approval or sanction. Other antonyms for "recision" might include "authorization," "permission," "consent," "approval," or "sanction," depending on the context in which the word is being used. Overall, antonyms for "recision" would represent actions or decisions that involve affirming or authorizing something rather than canceling or revoking it.