1. preparing or making something by mixing ingredients together
Usage: present participle of concoct
2. devising or inventing something, especially a story or plan
Usage: present participle of concoct; often implies deception or fabrication

Examples

• She was concocting a special sauce in the kitchen.
• The chef spent hours concocting new recipes for the menu.
• He was concocting an elaborate excuse for being late.
• The children were concocting a plan to surprise their mother.
• The scientist was concocting a new formula in the laboratory.
• They accused him of concocting false evidence.
• She was concocting a story to explain her absence.