Answer: substantial

AnswerCrossword Clue
SUBSTANTIALNot trivial
substantialImportant in material or social terms; wealthy
substantialStrongly built or made
substantialConcerning the essentials of something
substantialconsisting of or relating to substance
substantialOf considerable importance, size, or worth
substantialReal and tangible rather than imaginary
substantial(of a meal) Large and filling