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. a portion of time specified in some way: the Arthurian period; Picasso's blue period. b. (as modifier): period costume. 3. (Physiology) a nontechnical name for an occurrence of menstruation. 4. (Geological Science) geology a unit of geological time during which a system of rocks is formed: the Jurassic period.