The phrase "be chanced" means to happen or occur, but there are various synonyms that can be used to express the same idea. Some synonyms for "be chanced" include "take place," "transpire," "come about," "materialize," "unfold," "occur," "eventuate," "develop," "manifest," "crop up," and "arise." Each of these words conveys a similar idea of something happening, but may have slightly different nuances or connotations. For example, "arise" may suggest something coming up unexpectedly, while "develop" may imply a gradual unfolding of events. Using synonyms helps add variety to your language and can make your writing more interesting and dynamic.