1) Bathos 2) Glop 3) Goo 4) Mawkishness 5) Schmaltz 6) Schmalz 7) Sensibility 8) Shmaltz 1) Drippiness 2) Emotionalism 3) Emotionality 4) Mawkishness 
Sentimentality originally indicated the reliance on feelings as a guide to truth, but current usage defines it as an appeal to shallow, uncomplicated emotions at the expense of reason. Sentimentalism in philosophy is a view in meta-ethics according to which morality is somehow grounded in moral sentiments or emotions. Sentimentalism in literature ...
• (n.) The quality or state of being sentimental.
Sen`ti·men·tal'i·ty noun [ CF. French sentimentalité .] The quality or state of being sentimental. 
[n] - extravagant or affected feeling or emotion
sentimentality The quality or condition of being sentimental, especially in a superficial or maudlin way.
noun extravagant or affected feeling or emotion
Emotion in excess of its object; the term is generally used negatively to depict exaggeration in depiction and extreme emotional reactions. See also pathos.