Sentimotional 

A state of nostalgic feeling that creates, in turn, an emotional response.

When Michelle looked at old pictures of her deceased father, she became sentimotional, with tears running down her face.

Sentimotional by stovoice April 20, 2010

Senti-motional

(Adjective): Describes a person,situation or thing that makes you feel sentimental and emotional at the same time.

Kind of being between emotional and sentimental without being too much of either.

Example 1: The slide show at the end of Prom was amazing. It made me all senti-motional.

Example 2: I couldn't help but feel a little senti-motional when the Bo-Sox won the world series last season.

Senti-motional by Omzie Gomzie April 7, 2008