Fabian
noun
[ ˈfeɪbɪən ]
• a member or supporter of the Fabian Society, an organization of socialists aiming to achieve socialism by gradual rather than revolutionary means.
Fabian
adjective
• relating to or characteristic of the Fabians.
• "the Fabian movement"
Origin:
late 18th century: from the name of Quintus Fabius Maximus Verrucosus (see Fabius).