1) Alleviate 2) Assuage 3) Calm 4) Cause to vanish 5) Chase away 6) Disperse 7) Displace 8) Dissolve 9) Drive away 10) Drive away and scatter 11) Drive off 12) Drive out 13) Force to go away 14) Get rid of 15) Move 16) Put to rest 17) Relieve 18) Rid from the mind 19) Run off 20) Scatter 21) Scatter about Found on https://www.crosswordclues.com/clue/dispel
• (v. t.) To drive away by scattering, or so to cause to vanish; to clear away; to banish; to dissipate; as, to dispel a cloud, vapors, cares, doubts, illusions. Found on http://thinkexist.com/dictionary/meaning/dispel/
Dis·pel' transitive verb [ imperfect & past participle Dispelled ; present participle & verbal noun Dispelling .] [ Latin dispellere ; dis- + pellere to push, drive. See Pulse a beating.] To drive away by sc... Found on http://www.encyclo.co.uk/webster/D/89
to drive off in various directions; disperse; dissipate: to dispel the dense fog. · to cause to vanish; alleviate: to dispel her fears. Found on https://www.infoplease.com/dictionary/dispel