We don't have synonyms for hicksite yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are hickie, dickite and hanksite.
(n) :
(US, historical) A member or follower of the liberal party, headed by Elias Hicks, which, because of a change of views respecting the divinity of Christ and the Atonement, seceded from the conservative portion of the Quakers in 1827.
(n) :
(US, historical) A member or follower of the liberal party, headed by Elias Hicks, which, because of a change of views respecting the divinity of Christ and the Atonement, seceded from the conservative portion of the Quakers in 1827.