pre-cursor (noun) precursor: something that indicates outcome or event beforehand
Sinonime: being a sucker, believing,
biting,
credulous, easily taken in, easy mark, falling hook line and sinker,
foolish, green*,
innocent, kidding oneself,
mark*,
silly,
simple, sucker,
susceptible, swallowing whole, taken in, taking the bait, trustful, tumbling for, unskeptical,
unsophisticated, unsuspecting, wide-eyed
Antonime: astute,
discerning,
knowledgeable,
perceptive,
suspicious, unbelieving, untrusting,
wise