sustain

verb

1.
lengthen or extend in duration or space
then keep up prolong
Agent:
sustainer
Event:
sustenance
Derived from:
sustainable sustainer sustenance
2.
undergo (as of injuries and illnesses)
get have suffer
3.
4.
supply with necessities and support
borne keep maintain
Derived from:
sustenance
By means of:
sustenance
5.
be the physical support of; carry the weight of
abear bearing underbear hold hold up support
6.
admit as valid
Derived from:
sustainable
7.
establish or strengthen as with new evidence or facts
affirm confirm corroborate substantiate support
Derived from:
sustainable