Unbiased (adjective)

1. Not influenced by personal feelings, interpretations, or prejudice; based on facts.
2. Fair and impartial.

Origin:

Late 16th century: from un- (expressing negation) + bias.

Examples:

1. The study was conducted with unbiased methods.
2. An unbiased judge is essential for a fair trial.
3. The news should be reported in an unbiased manner.
4. He tried to give an unbiased opinion on the matter.
5. The company's hiring process is designed to be unbiased.