On even ground means to be in a balanced and equal position. Synonyms for this phrase include "on a level playing field", "evenly matched", "equally balanced", "on equal footing", and "in a fair competition". These phrases convey the sense of both parties having an equal chance and facing the same challenges or opportunities. On even ground can refer to various situations, such as business negotiations, sports competitions, or interpersonal relationships. In any case, it implies a level of fairness and equality that allows for a fair and just resolution of the matter at hand.