SENTIMENTALISM
sentimentalism
(noun) a predilection for sentimentality
sentimentalism
(noun) the excessive expression of tender feelings, nostalgia, or sadness in any form
Source: WordNet® 3.1
Etymology
Noun
sentimentalism (countable and uncountable, plural sentimentalisms)
A liking for sentimental things
An overly sentimental thing or condition; bathos or sentimentality
(philosophy) A view according to which morality is somehow grounded in moral sentiments or emotions.
Source: Wiktionary
Sen`ti*men"tal*ism, n. Etym: [Cf. F. sentimentalisme.]
Definition: The quality of being sentimental; the character or behavior of
a sentimentalist; sentimentality.
Source: Webster’s Unabridged Dictionary 1913 Edition