יָסַד
From LSJ
φύσει γὰρ ἄνθρωπος ὃ βούλεται, τοῦτο καί οἴεται → it's human nature: what you want, you believe
English (Strong)
a primitive root; to set (literally or figuratively); intensively, to found; reflexively, to sit down together, i.e. settle, consult: appoint, take counsel, establish, (lay the, lay for a) found(-ation), instruct, lay, ordain, set, X sure.