1. to prepare or make something by mixing ingredients together
2. to invent or devise something, especially a story or plan, often in a deceptive way

Examples

• She concocted a delicious soup from leftover vegetables.
• The chef concocted a new sauce using exotic spices.
• He concocted an elaborate excuse for being late.
• The students concocted a plan to surprise their teacher.
• She concocted a story about meeting a famous actor.
• They concocted a remedy using herbs from the garden.
• The witness concocted false testimony to protect his friend.