Definitions:

1. admit as valid verb
   • The court sustained the motion
2. lengthen or extend in duration or space verb
   • We sustained the diplomatic negotiations as long as possible
3. provide with nourishment verb
   • We sustained ourselves on bread and water
4. supply with necessities and support verb
   • I sustained my family alone.
5. undergo, as of injuries and illnesses verb
   • The quarterback sustained multiple injuries in last night's game.

Synonyms:

• get
• keep
• keep up
• nurture
• support

NearBy Words:

• sustainability
• sustainable
• sustained
• sustainer
• sustainment