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Being bitten by a dog as a child could predispose you to having a fear of dogs.
dissuade
(that's assuming you mean "predispose" as a verb).
There are three morphemes in "predispose": pre-, dis-, and -pose.
"Even if their parents are sickly, that does not predispose the children to the same condition."
Heredity and culture can predispose individuals to certain genetic diseases.
Peer pressure may predispose teen boys to engage in foolish or dangerous activities.