forethoughtful UK /ˈfɔːθɔːtfʊl/US /ˈfɔɹθɔtfʊl/ adjective1 •Having or full of forethought; provident; proactive; visionary.Meal times always caught the majority unaware. They tumbled and jostled down the companionways only to find the wise and forethoughtful had preempted every chair. — 1913 formsmore forethoughtful · most forethoughtful