The word "articulate" is correct and usable in written English. You can use it to describe someone who speaks clearly and effectively, or to describe a well-structured and thought-out idea or argument. For example: "The Senator was very articulate in presenting her argument.".
"If we're running a race against their most articulate guy," Steve Schmidt, John McCain's former campaign manager, told me, referring to President Obama, "we should put our most articulate guy.
At the other end of the political spectrum, Bennett impressed most, with four describing her as "strong, confident and articulate".
But they've shown themselves to be articulate, successful activists.
"There's nothing offensive about Cathy – she's kind and articulate.
Paul Chamberlain is articulate, impossibly cheerful in the face of adversity and heroic – a Briton of the sort you might have thought would be seen no more after Lawrence Oates strode into the Antarctic snowstorm in an effort to save Scott and his other companions.
He's clever, articulate and says America has lost faith in its political system.
By denying the existence of class conflict they usually end up fighting on behalf of the prosperous, the articulate and the self-confident.
When I feel like I can't trust my brain 100%, Ludwig really comes in handy. It makes me translate and proofread faster and my output more reliable.
Claudia Letizia
Head Translator and Proofreader @ organictranslations.eu