'Clear' in the Bible

And see to it that your conscience is entirely clear, so that every time you are slandered or falsely accused, those who attack or disparage your good behavior in Christ will be shamed [by their own words].

Corresponding to that [rescue through the flood], baptism [which is an expression of a believer’s new life in Christ] now saves you, not by removing dirt from the body, but by an appeal to God for a good (clear) conscience, [demonstrating what you believe to be yours] through the resurrection of Jesus Christ,