Most consummating is arguably an unusual word choice and difficult to find precise antonyms for. Consummation refers to the completion, the end, the realization, the fulfillment, or the climax of something. Therefore, words that express the opposite of these meanings could be considered antonyms of most consummating. For example, antonyms of consummation could include: commencement, beginning, inception, start, dawn, initiation, introduction, launch, and birth. These words describe the start of something, rather than the end, that is often associated with consummation. Overall, while antonyms for most consummating may not be immediately obvious, the opposite of the concept can be conveyed by words related to beginnings and initiations.