There are a variety of synonyms for the phrase "study at happen," each with its own unique connotations and implications. For example, one could say "analyze events," "scrutinize occurrences," or "examine incidents." Other possibilities might include "investigate developments," "explore outcomes," or "assess situations." Each of these phrases suggests a slightly different focus or angle of inquiry, highlighting the importance of considering context and specificity when selecting synonyms. Ultimately, the choice of wording will depend on both the subject matter being studied and the objectives or goals of the inquiry in question.