Constabilio, constábilis, pen. cor. constabilíui, constabilítum, constabilîre. Plaut.To make sure, stable, or strong.Subsidijs alicuius constabilitus. Lucret.
Lewis and Short: Latin dictionary
con-stăbĭlĭo, īvi, 4, v. a., to confirm, establish, make firm (ante- and post-class. for stabilio, 2. fundo, and rare); only trop.: rem meam, Plaut. Capt. 2, 3, 93; so Ter. Ad. 5, 1, 9; Tert. adv. Valent. 39.