To prepare by mixing ingredients, as in cooking. (verb-transitive)
To devise, using skill and intelligence; contrive: concoct a mystery story. (verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "concoct" in a sentence
"Iraq, "concoct" - here I agree with you, but I couldn't come up with another word that adequately conveyed the idea that the US / UK had some agenda regarding Iraq."
"You wouldn't concoct a word like "emsecurement" to describe the act of a man not beating his wife any more."
"I mean there's a scenario you could concoct, which is, you know, Israel is striking a deal with Hamas, exchanging prisoners with Hezbollah, talking to Syria, talking to Egypt -- and then makes these military maneuvers."