sentimentalize

verb

1.
look at with sentimentality or turn into an object of sentiment
Exemplifies:
American spelling
2.
make (someone or something) sentimental or imbue with sentimental qualities
Exemplifies:
American spelling
3.
act in a sentimental way or indulge in sentimental thoughts or expression
Derived from:
sentimentalization
Exemplifies:
American spelling