Concept Con"cept, n. [L. conceptus (cf. neut. conceptum fetus), p. p. of concipere to conceive: cf. F. concept. See Conceit.] An abstract general conception; a notion; a universal. The words conception, concept, notion, should be limited to the thought of what can not be represented in the imagination; as, the thought suggested by a general term. --Sir W. Hamilton.