noun, noun or participle which takes 'suru'
Rare literary noun or suru-verb meaning praise or commendation. In modern Japanese, 称賛 or 賞賛 are far more common.
古い文章で「讃賞に値する」という表現を見かけることがある。
In old texts, you may come across the expression 'worthy of praise' using 讃賞.