sentimentalisation

/ˌsɛn(t)əˌmɛn(t)ələˈzeɪʃən/
noun
  1. The act or process of treating something in an overly emotional or nostalgic way, often ignoring its harsher realities.
    • Historians criticized the film for its sentimentalisation of the colonial era.
    • The book avoids the sentimentalisation of poverty and shows it as it really is.
    • The sentimentalisation of war in old movies often leaves out the true horror.
Antonyms
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