BE CREDULOUS &c. adj.; jurare in verba magistri [L.]; follow implicitly; swallow, swallow whole, gulp · down; take on trust; take for -granted, - gospel; take on faith; run away with -a notion, - an idea; jump -, rush- to a conclusion; think the moon is made of green cheese; take -, grasp- the shadow for the substance; catch at straws.
IMPOSE UPON (deceive) [See Deception].