(music) A mechanism which can be used to hold a note, as the right pedal on a piano.

(transitive) To maintain, or keep in existence. / (transitive) To provide for or nourish. / (transitive) To encourage or sanction (something). / (transitive) To experience or suffer (an injury, etc.).

A renewable energy source.

simple past tense and past participle of sustain

Held continuously at a certain level. / (music) Held at a certain pitch.

(ecology) A means of configuring civilization and human activity so that society, its members and its economies are able to meet their needs and express their greatest potential in the present, while preserving biodiversity and natural ecosystems, planning and acting for the ability to maintain these necessary resources for future generations.

In a sustainable manner.

plural of sustainment

plural of sustainability

plural of sustainable