je ne sais quoi /zhə nə se kwa/

A special unknown ingredient or quality

• effecting
• effective
• effectively
• effectiveness
• effectivenesses
• effective rate
• effective rates
• effectives
• effectivity
• effectless
• effector
• effectors
• effects
• effectual
• effectual calling
• effectualities
• effectuality
• effectually
• effectualness
• effectualnesses
• effectuate
• effectuated
• effectuates
• effectuating
• effectuation