Lewis Short
(verb) : sub-sto, āre
* To stand or be under or among, to be present (very rare; not in Cic.): si pure substante non rumpuntur hi tumores,Cels. 6, 10 med.: nullo dolore substante,id. 2, 7 med.; 2, 12, 2.— *
* To stand firm, hold out, = subsisto: metuo, ut substet hospes,Ter. And. 5, 4, 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary