Innatism is a philosophical doctrine that holds that the mind is born with ideas/knowledge, and that therefore the mind is not a 'blank slate' at birth, as early empiricists such as John Locke claimed. It asserts therefore that not all knowledge is obtained from experience and the senses.
Read more about Innatism: Innate Ideas, The Difference Between Innatism and Nativism, Nativism, Examples of Proposed Innate Knowledge, Innate Idea