historical (Adjective) — Of or relating to the study of history. ex. "historical scholars" ex. "a historical perspective"
historical (Adjective) — Having once lived, existed or taken place in the real world as distinct from being legendary. ex. "the historical Jesus" ex. "doubt that a historical Camelot every existed" ex. "actual historical events"
historical (Adjective) — Belonging to the past; of what is important or famous in the past. ex. "historical times" ex. "a historical character"
historical (Adjective) — (language) used of the study of a phenomenon (especially language) as it changes through time. ex. "historical linguistics"