From Longman Dictionary of Contemporary Englishsentimentalistsen‧ti‧men‧tal‧ist /ˌsentɪˈmentl-ɪst/ noun [countable] EMOTIONALsomeone who behaves or writes in a sentimental way —sentimentalism noun [uncountable]
Examples from the Corpus
sentimentalist• I am not a sentimentalist, as must be evident by now.• The police and magistrates have had their hands tied by the interference of sentimentalists and do-gooders.• It should be remembered that Xenophon was no weak sentimentalist, but a highly skilled and successful military commander.• Call me a weak-willed sentimentalist, but I liked it damn it, I liked it!