adjective/pɾorepubliˈkano/
pro-republican
“Sin que estemos hablando en ningún momento de un Carlos III prorrepublicano, aunque sí de un reformista monárquico con visión liberal en algunos aspectos políticos y sociales que permitiesen la estabilidad, continuidad y engrandecimiento de su reinado.” — We are not talking at any time about a pro-republican Charles III (of Spain), although we are talking about a monarchical reformist with a liberal vision in some political and social aspects that would allow the stability, continuity and aggrandizement of his reign.
From pro- + republicano.