Seminal
Part of speech: adjective
Definition: Of or relating to seed or semen. Creative or having the power to originate. Highly influential, especially in some original way, and providing a basis for future development or research.
Original
Part of speech: adjective
Definition: First in a series or copies/versionsNewly createdFresh, differentPioneeringHaving as its origin
Part of speech: noun
Definition: An object or other creation (e.g. narrative work) from which all later copies and variations are derivedA person with a unique and interesting personality and/or creative talentAn eccentric
Example sentence: If you do not express your own original ideas, if you do not listen to your own being, you will have betrayed yourself.