The phrase "past expectation" refers to something that has exceeded what was anticipated or predicted. There are various synonyms for this term, such as "beyond belief," "unimaginable," "unforeseen," "supernatural," "extraordinary," and "exceptional." Other words that can be used to describe something that has gone beyond what was initially thought possible include "remarkable," "amazing," "wonderful," "astonishing," and "mind-blowing." When something surpasses expectations, it can also be described as "out of this world," "staggering," "unprecedented," or "incredible." The key is to use language that conveys the degree of surprise or amazement felt by someone who is witnessing or experiencing something that has gone beyond what they thought was achievable.