The word "ravest" is an uncommon word, and there are not many synonyms available for it. However, some words that could be used as a replacement for "ravest" are "raving," "rapturous," or "ecstatic." All of these words signify intense excitement or enthusiasm, which could potentially be used in place of "ravest." Another option could be to use a phrase, such as "over the moon" or "thrilled to pieces," instead of a single word. Ultimately, the best synonym for "ravest" will depend on the context and tone of the message being conveyed.