imperative conception

im·per·a·tive con·cep·tion

a concept that does not arise from association but appears spontaneously and refuses to be banished.

imperative conception

[imper′ətiv]
Etymology: L, imperare, to command
a thought or impression that appears spontaneously in the mind and cannot be eliminated, such as an obsession.

im·per·a·tive con·cep·tion

(im-peră-tiv kŏn-sepshŭn)
Theory that does not arise from association but appears spontaneously and refuses to be banished.