Synonyms: historic
Definition: important in history
Usage: the historic first voyage to outer space
Similar words: important, of import
Definition: of great significance or value
Usage: important people; the important questions of the day
Synonyms: historic, historical
Definition: belonging to the past; of what is important or famous in the past
Usage: historic victories; historical (or historic) times; a historical character
Similar words: past
Definition: earlier than the present time; no longer current
Usage: time past; his youth is past; this past Thursday; the past year