Norman Rockwellism
/ˌnɔːmən ˈrɒkw(ɛ)lɪz(ə)m/noun
Portrayal or depiction in the style of Norman Rockwell; an incident of the kind portrayed in Norman Rockwell's drawings.
Origin
1980s; earliest use found in The St. Petersburg Times. From the name of Norman Rockwell + -ism.