Be able to
Sustain and be able to are semantically related. in able to have or do topic. In some cases you can use "Sustain" instead a verb phrase "Be able to".
Sustain
Both terms in one sentence
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Canonically Black Mage is still the Glass Cannon, but Rule of Funny allows him to sustain more Amusing Injuries than he should be able to.
Source: Magic Knight -
With a high-enough speech skill, you can convince him that even after winning the battle for Hoover Dam, he would not be able to take on the rest of the NCR due to either a lack of forces or an inability to properly sustain his army.
Source: Pyrrhic Victory - However, even then, Curtis van Curtis tells him that, at the rate he's going, he won't be able to sustain his immortality for more then several years.
Source: Literature / Line of Delirium
Cite this Source
Sustain and Be able to. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/be_able_to/sustain
Be able to & Sustain. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/be_able_to/sustain>.
Sustain or Be able to. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/be_able_to/sustain.