concretely

(in various senses). a support, base or foundation (Arist., al.; opp. to ): substance φαντασία, ἔμφασις He 1:3 (Polyb., al.), hence, : , (here perhaps as that which gives reality or guarantee; v. MM, xxv).† steadiness, firmness assurance, confidence title-deed, II Co 9:4 11:17 He 3:14 11:1

a setting under (support), i.e. (figuratively) concretely, essence, or abstractly, assurance (objectively or subjectively)

confidence, confident, person, substance