substantive
adjectiveOPAL W
  /səbˈstæntɪv/,  /ˈsʌbstəntɪv/
  /ˈsʌbstəntɪv/
 (formal)- dealing with real, important or serious matters- substantive issues
- The report concluded that no substantive changes were necessary.
 Oxford Collocations DictionarySubstantive is used with these nouns:- argument
- disagreement
 Word Originlate Middle English (in the sense ‘having an independent existence’): from Old French substantif, -ive or late Latin substantivus, from substantia ‘essence’, from substant- ‘standing firm’, from the verb substare.