Meaning : Of considerable importance, size, or worth.
Example :
Won by a substantial margin.
Synonyms : significant
Meaning : Of or relating to the real nature or essential elements of something.
Example :
A substantial argument.
Synonyms : substantive
Meaning : Having substance or capable of being treated as fact. Not imaginary.
Example :
The substantial world.
A mere dream, neither substantial nor practical.
The wind was violent and felt substantial enough to lean against.
Lacking material form or substance. Unreal.
As insubstantial as a dream.Meaning : Providing abundant nourishment.
Example :
A hearty meal.
Good solid food.
Ate a substantial breakfast.
Four square meals a day.
Synonyms : hearty, satisfying, solid, square