'Secularist' definitions:

Definition of 'secularist'

From: WordNet
noun
An advocate of secularism; someone who believes that religion should be excluded from government and education

Definition of 'Secularist'

From: GCIDE
  • Secularist \Sec"u*lar*ist\, n. One who theoretically rejects every form of religious faith, and every kind of religious worship, and accepts only the facts and influences which are derived from the present life; also, one who believes that education and other matters of civil policy should be managed without the introduction of a religious element. [1913 Webster]