Definition of reinstate for English Language Learners : to put (someone) back in a job or position that had been taken away : to begin using or dealing with (a law, policy, system, etc.) again
Detailed Synonyms for period of time in English. period of time: period of time [the ~] noun. the period of time the term; the period of time; the period; the space of time; the time; the space term [the ~] noun.
a period of unusually warm weather in the autumn. the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun. the period of instruction in a school; the time period when school is in session. a period of time containing 365 (or 366) days. a period of time occupying a regular part of a calendar year that is used for some particular activity. half a year; a period of 6 months.