At the height is a common phrase used to describe the peak or maximum level of something. However, there are various other terms that can be used as synonyms for this phrase. Some examples include "at its zenith," "at its pinnacle," "at its apex," "at its culmination," "at its climax," "at its acme," and "at the height of its power." These terms can be used interchangeably with the phrase "at the height" depending on the context of the sentence. Whether used in a political, literary, or sporting context, these synonyms provide a more descriptive and varied use of vocabulary.