well-grounded

Adjective

 * 1) Of a person: having extensive knowledge of a subject.
 * 2) Of an argument, etc.: based on good judgment and solid reasoning.
 * 1) Of an argument, etc.: based on good judgment and solid reasoning.

Translations

 * Bulgarian: ерудиран
 * Finnish:


 * Armenian:
 * Bulgarian:
 * Finnish: ,