condone

from The American Heritage® Dictionary of the English Language, 5th Edition.

• transitive verb To overlook, forgive, or disregard (an offense) without protest or censure. synonym: forgive.

from The Century Dictionary.

• To forgive or pardon, as something wrong, especially by implication, as through some act of friendship or confidence toward the offender; overlook, as an offense or fault.
• Specifically In law, to forgive, or to act so as to imply forgiveness of (a violation of the marriage vow). See condonation, 2.
• To cause to overlook or forgive; atone for.
• Synonyms See pardon.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To pardon; to forgive.
• transitive verb (Law) To pardon; to overlook the offense of; esp., to forgive for a violation of the marriage law; -- said of either the husband or the wife.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb transitive To forgive, excuse or overlook (something).
• verb transitive To allow, accept or permit (something).
• verb transitive, law To forgive (marital infidelity or other marital offense).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb excuse, overlook, or make allowances for; be lenient with