1. Expressive of or appealing to sentiment, especially the tender emotions and feelings, as love, pity, or nostalgia.
2. Pertaining to or dependent on sentiment.
3. Weakly emotional; mawkishly susceptible or tender.
4. Characterized by or showing sentiment or refined feeling.
EX. You must raise your Pokémon, not with the sentimental spirit of a chubby Chansey, but with the heart of a Gary Oak. Teach them to be strong or they will simply resent you later when they get their teeth kicked out by the Elite Four (as seen above). Not every Pokémon is popular enough to get a hold item to make them feasible despite their crappy stats like Pikachu.