Definitions
1.AdjectiveVery important; noteworthy: having importance or significance in history."A historic opportunity; July 4, 1776, is a historic date. A great deal of historical research has been done on the events leading up to that day.; The historical works of Lord Macaulay and Edward Gibbon are in and of themselves historic."
2.AdjectiveOld-fashioned, untouched by modernity.
3.AdjectiveSynonym of historical: of, concerning, or in accordance with recorded history or the past generally (See usage notes.)
4.AdjectiveVarious grammatical tenses and moods specially used in retelling past events."The historic tenses include the imperfect, the pluperfect, and the future perfect."
5.NounA history, a non-fiction account of the past.
6.NounA historian.