WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a disposition to be friendly and approachable (easy to talk to)
Word Usage
"The social virtues must, therefore, be allowed to have a natural beauty and amiableness, which, at first, antecedent to all precept or education, recommends them to the esteem of uninstructed mankind, and engages their affections."