substantive
🇺🇸
/ˈsʌbstəntɪv/
🇬🇧
/səbˈstæntɪv/
significant or important
The meeting resulted in some substantive discussions about the future of the company.
a noun that represents a thing, person, place, or idea
In this sentence, 'dog' is a substantive because it is a noun that names a specific type of animal.