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.
era. n. 1. a period of time considered as being of a distinctive character; epoch. 2. an extended period of time the years of which are numbered from a fixed point or event: the Christian era. 3. a point in time, esp one beginning a new or distinctive period: the discovery of antibiotics marked an era in modern medicine.