(literary) (of sb's mind or intelligence) deep; insightful

erudite; profound; learned; extremely knowledgeable

deep valley

rich and variegated

broad and extensive (of knowledge etc)

deep springs

vast and profound

(lit.) abyss and ocean; (fig.) vast and profound

profound (knowledge); erudite

deep and still; sound of a drum

origin; source; relationship

profundity; depth

(lit.) gathering place of fish or other creatures; (fig.) haunt; lair; nest; den; hotbed

profound thoughts or ideas

erudite and sophisticated

deep and profound meaning

profound or erudite plans

deep valley

deep; profound

profound silence

(idiom) to have a serene yet formidable demeanor; to have a commanding presence