charm school 
noun dated or humorous
An institution offering training in social graces such as etiquette: not all of the bar staff appear to have benefited from a stint at charm school...
- But he did manage himself like a charm school valedictorian.
- Dressing in my normal charm school uniform of a pleated skirt, white blouse, and black knee-highs, I joined Seth downstairs.
- Her sister was still in her last year of charm school, which Natasha had narrowly graduated from the year before.
- sovereign wealth fund
- soviet
- Soviet bloc
- Soviet block
- Sovietism
- Sovietization
- Sovietize
- Sovietological
- Sovietologist
- Sovietology
- Soviet Union
- sovkhoz
- sow
- sowback
- sowbread
- sowbug
- sower
- Sowetan
- Soweto
- sown
- sow one's wild oats
- sow (or plant) dragon's teeth
- sow the seed (or seeds) of
- (sow the wind and) reap the whirlwind
- sowthistle