To find the meaning of an unknown word you should look at the 'contextual clues' provided by the words that are around it.
To really know a word, you must be able to use it 'in context'. [=in a sentence with other words]
When taken 'out of context', his comments sound cruel, but he was really only joking.
(..) I mean, why would he trust them? He tried to kill Musharraf. - Hello. - Sir. All right, go ahead. So a little context here, if you take a right, out of Islamabad, drive about forty-five minutes north, you'll find yourself here in Abbottabad. Now it's a mostly middle-class (..)2012 Zero Dark Thirty
(..) Ask me a question, I will answer it. What can you tell me about Atiyah Abdul-Rahman? He works for Zawahiri. He's in charge of military tactics. In what context have you ever heard the name Abu Ahmed? He works for Faraj and bin Laden. He is his most trusted courier. What makes you say that? (..)2012 Zero Dark Thirty