Synonyms and related words :
acute, anticipant, anticipative, anticipatory, apperceptive, appercipient, argute, astute, beforetime, bright and early, clairvoyant, cogent, discerning, divinatory, early, farseeing, farsighted, forehand, forehanded, foreknowing, foreseeing, forethoughted, forethoughtful, in good time, incisive, intuitive, longheaded, longsighted, penetrating, perceptive, percipient, perspicacious, perspicuous, piercing, precautional, precautionary, precautious, precognitive, precognizant, prepared, prescient, prevenient, provident, providential, provisional, prudent, ready, sagacious, trenchant, understanding