SUSTAIN Synonyms: 106 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/sustain
WebSynonyms for SUSTAIN: nurture, satisfy, nourish, feed, replenish, fill, sate, satiate; Antonyms of SUSTAIN: refuse, reject, decline, dismiss, resist, fight, oppose, repudiate
DA: 94 PA: 12 MOZ Rank: 14