Definitions: (1) able to communicate with grace, kindness, or propriety; articulate; (2) civil; courteous; (3) having the ability to converse with ease; quick-minded

• If you can’t explain it simply, you don’t understand it well enough. — Albert Einstein (1879-1955) German-born Theoretical Physicist
• Good English, well spoken and well written, will open more doors than a college degree… Bad English will slam doors you don’t even know exist. — William Raspberry (1935-2012) American syndicated columnist

Comment: It can often be a greater kindness not to speak.