Romanistic
/ˌrəʊməˈnɪstɪk/adjective
1Of, relating to, or of the nature of Roman law.
2Inclining towards, favouring, or supportive of Roman Catholicism; (supposedly) characteristic of or resembling Roman Catholicism.
3= romance. rare.
Origin
Early 19th century; earliest use found in Jeremy Bentham (1748–1832), philosopher, jurist, and reformer. From Romanist + -ic. Compare German romanistisch of or relating to Roman Catholicism, accepting Roman (rather than common) law, of or relating to Romance philology.