言 GEN, GON, i(u), koto - say, speech
皿 sara - plate, dish, saucer
Add 成:言+成 成+皿
成 SEI, JO, na(ru), na(su) - become, consist, form
誠 SEI, makoto - truth, sincerity, fidelity
盛 SEI, JOU, mo(ru), saka(n), saka(ru) - prosperous, energetic, serve food