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.
1 A length of time.  There was a period of confusion following the announcement.â. Philip Miles, defending, said: This was a single instance, there was no allegation of continuing behaviour over a long period of time.. A period of time in history seen as a single coherent entity; an epoch, era.