1. to think out carefully; to devise or contrive through careful thought
Usage: formal

Examples

• The committee spent hours trying to excogitate a solution to the budget crisis.
• She excogitated an elaborate plan to surprise her parents on their anniversary.
• The philosopher excogitated new theories about the nature of consciousness.
• After much deliberation, they excogitated a compromise that satisfied both parties.
• The engineer excogitated an innovative design for the bridge.
• He excogitated various strategies before choosing the best approach.