amicable : Idioms & Phrases
Amicable action
(Law.) , an action commenced and prosecuted by amicable consent of the parties, for the purpose of obtaining a decision of the court on some matter of law involved in it. Bouvier. Burrill.
Webster 1913
Amicable numbers
(Math.) , two numbers, each of which is equal to the sum of all the aliquot parts of the other.