The phrase "ending at" refers to a point or location where something stops or concludes. However, there are various other words and phrases that can also be used to convey the same meaning. Some synonymous phrases for "ending at" include "concluding at", "terminating at", "finishing at", "stopping at", "culminating at", "ceasing at", and "terminating in". These phrases can be used interchangeably depending on the context and the desired level of formality. It is always important to choose the right synonyms that can convey the intended meaning accurately and effectively.