The opposite of the word "suspect" is "trust" or "believe".
Its καχυποψία (kachipopsia) (n.)
The opposite of suspect is trust or believe.
A synonym that has a meaning similar to the word believes is the word trust. An antonym to the word believes that has an opposite meaning of it is the word doubt.
The opposite of doubt is certainty. The opposite of a doubt about a person could be trust.
The root of the word "mistrusts" is "trust," which comes from the Old Norse word "traust" meaning confidence or reliance. The prefix "mis-" denotes a negative or opposite meaning, so when combined, "mistrust" means to have a lack of confidence or belief in someone or something.
confident , trust, faith
The opposite could be distrust, or mistrust, or suspicion.
what word is opposite of prudent
The opposite of confident is diffident. The prefix is dif-, a variation of de-. The root word is -fident, related to "fidelity", "bona fides", "fiduciary" and other similar words having to do with trust. Unconfident also fits.
The opposite of anything is it's absence. Silence would be the opposite of a word spoken.
Trust, as in that you trust someone, is zaufanie. Trust as a sort of an financial organisation is fundusz.