Synonyms for Centralised (same or very similar meaning)
WordNet sense 1 (drawn toward a center or brought under the control of a central authority):
centralizedWordNet sense 2 (concentrated on or clustered around a central point or purpose):
centered, centred, focusedWordNet sense 3 (gathered together or made less diffuse):
concentratedFrom the ODE community, based on WordNetadd/edit