[sostenable]
variante(s): soustenable
adj.
'défendable en justice'
D: 1494 Saint‑Flour ⊂ DAOA 1168a (sous‑)
∅ FEW 12:478b [ѕᴜ̆ѕᴛɪ̆ɴᴇ̄ʀᴇ].