Intelligentsia (noun)

1. A cultural and intellectual elite, especially in a society perceived as politically oppressive.
2. A group of people having a high level of general cultural and political awareness and education.

Origin:

Mid 19th century: from russian intelligentsiya, from intelligent 'well-educated', from latin intelligere 'comprehend'.

Examples:

1. The intelligentsia of the city were known for their progressive ideas.
2. The intelligentsia was a key force in promoting social and political change.
3. The intelligentsia gathered regularly to discuss the latest developments in art and literature.
4. The intelligentsia was well-represented at the lecture series on politics and culture.
5. The intelligentsia was seen as a threat to the established order.