Allotted period can be replaced with several synonyms, depending on the context in which it is being used. For instance, in the case of time limits for exams or deadlines, "timeframe" and "deadline" can be used interchangeably. Moreover, "designated time" or "specified time" is suitable when referring to the exact duration or time set aside for a particular activity. Another synonym for "allotted period" is "allocated time," commonly used in project management, budget allocation, and resource scheduling. Lastly, "time slot" can replace "allotted period" in situations when specific time is reserved for a particular activity, such as in a meeting schedule.