To bind by mutual agreement.
To adjust and settle by mutual concessions; to compound.
To find a way between extremes.
To pledge by some act or declaration; to endanger the life, reputation, etc., of, by some act which can not be recalled; to expose to suspicion.
To cause impairment of.
To breach (a security system).
He tried to compromise the security in the computer by guessing the password.
Having been compromised.