the physical matter of which a person or thing consists

सामग्री

English Usage: The substance of the argument was compelling.

Hindi Usage: तर्क की सामग्री मजबूर कर देने वाली थी।

having independent existence

स्वतंत्र

English Usage: She made a substantive contribution to the community.

Hindi Usage: उसने समुदाय में स्वतंत्र योगदान दिया।

having a firm basis in reality and therefore important, meaningful, or considerable

मूलभूत

English Usage: The meeting had substantive discussions about the project.

Hindi Usage: बैठक में परियोजना के बारे में मूलभूत चर्चाएँ हुईं।