1) Doctrine 2) Philosophical system 3) Philosophy 4) School of thought 5) The 1000th anniversary 1) Thousand 
• (n.) The space of a thousand years; a millennium; also, a Millenarian. • (a.) Consisting of a thousand; millennial.
Mil'le·na·ry adjective [ Latin millenarius , from milleni a thousand each, from mille a thousand: confer French millénaire . See Mile .] Consisting of a thousand; millennial. 
[adj] - relating to or consisting of 1000
adjective relating to or consisting of 1000