saponaceous
- a resembling or having the qualities of soap
- At the age of 37, Oumansky was Washington's youngest Ambassadorsuave, saponaceous, brilliant and astute.
- Wons puts them through a microphone in a voice hushed, saponaceous, insinuatingly folksy, with an ingratiating "Are yuh listenin'?" or "Isn't that pretty?".