Found in the following dictionaries
OTCWL2014 (NASPA Word List 2014)
"Familist" Definition
noun
A member of a religious sect, the family of love, in 16th century europe.
Source: Wiktionary
One of a fanatical antinomian sect originating in holland, and existing in england about 1580, called the family of love, who held that religion consists wholly in love.
One of the religious sect called the family of love, founded in holland and england in the sixteenth century by hans niklas, or nicholas, who was a disciple of david joris (see davidist, 2), and taught mystical doctrines based upon the theory that religion consists wholly in love independently of the form of faith.
Source: Century Dictionary
[lowercase] the head of a family; a family man.
Source: Century Dictionary
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