savoir-faire (noun)

1. The architect's savoir-faire in creating a harmonious flow throughout the house was evident in every room.

2. With his charm and savoir-faire, he wooed her effortlessly and won her heart.

3. The murderer moved with a chilling savoir-faire, leaving no trace behind and instilling fear in the hearts of the victims.

4. The superhero's savoir-faire in handling dangerous situations helped save the city from destruction once again.