substantial

fairly large

• “won by a substantial margin”

being the essence or essential element of a thing

• “substantial equivalents”
• “substantive information”

having substance or capable of being treated as fact; not imaginary

• “the substantial world”
• “a mere dream, neither substantial nor practical”
• “most ponderous and substantial things” Shakespeare

providing abundant nourishment

• “a hearty meal”
• “good solid food”
• “ate a substantial breakfast”
• “four square meals a day”

of good quality and condition; solidly built

• “a solid foundation”
• “several substantial timber buildings”