The phrase "amicable manner" means to act or behave in a friendly and cooperative way towards others, without causing any conflict or disagreement. Full definition
You would usually go when you have a contested divorce and there are issues in disagreement, but you would like to resolve them in as amicable a manner as possible. (familylawyerdivorcetoronto.com)
Experienced box office clerk that knows how to conduct themselves in a professional and amicable manner with guests. (livecareer.com)
Some lawyers specialize in a litigious approach to family law, others operate in a more amicable manner. (familylawyerdivorcetoronto.com)