coincisive (adj): when speaking of two or more objects or qualities, to be sharper or more effective than when seperate.
Intelligence and beauty are coincisive.
1. Occupying the same relative position or the same area in space. 2. Happening at the same time or during the same period. 3. Corresponding exactly; being identical. 4. Agreeing exactly, as in opinion; concurring.
Your appointment time is coincisive with my appointment time.