The phrase "(all) agog" refers to a state of excitement or anticipation. There are several synonyms for this phrase that can be used to express a similar sentiment. One such synonym is "eager," which suggests a strong desire or readiness to act or participate. Another possibility is "enthusiastic," which connotes a passionate and energetic state of mind. "Excited" and "thrilled" are other synonyms that capture the sense of anticipation and heightened emotion. Finally, "anxious" can also be used in certain contexts to convey a state of nervous or eager anticipation. Overall, there are plenty of synonyms to use in place of "(all) agog" depending on the specific context and intended meaning.