Adjective
1. of or relating to the study of history;
"historical scholars""a historical perspective"2. having once lived or existed or taken place in the real world as distinct from being legendary;
"the historical Jesus""doubt that a historical Camelot every existed""actual historical events"3. belonging to the past; of what is important or famous in the past;
"historic victories""historical (or historic) times""a historical character"4. used of the study of a phenomenon (especially language) as it changes through time;
"diachronic linguistics"