1) Abstain 2) Abstain, refrain 3) Avoid doing 4) By day break is set to stop 5) Call it off 6) Cease 7) Cease partner 8) Choose not to consume 9) Companion of cease 10) Cool it 11) Cut it out 12) Deists abstain 13) French word used in English 14) Give up 15) Go without 16) Leave off 17) Partner of cease Found on https://www.crosswordclues.com/clue/desist
De·sist' intransitive verb [ imperfect & past participle Desisted ; present participle & verbal noun Desisting .] [ Latin desistere ; de- + sistere to stand, stop, from stare to stand: confer French dés... Found on http://www.encyclo.co.uk/webster/D/46