Sauce (noun)

1. A liquid or semi-liquid condiment or dressing, typically served with food to add flavor.
2. A person or thing that adds interest or excitement to something.
3. A state of being slightly drunk.

Origin:

Middle english: from old french sausse, from latin salsa "salted", feminine of salsus "salted", from sal "salt".

Examples:

1. I put some hot sauce on my tacos.
2. She's always been the life of the party, the sauce of every gathering.
3. He"s had a little too much to drink, he"s starting to feel the sauce.