EFFICACY—efficiency, virtue, competence, agency, instrumentality.
ELIMINATE—expel, weed, thin, decimate, exclude, bar, reject, repudiate, winnow, eject, cast out. (Include, comprehend, incorporate, embrace.)
ELOQUENCE—oratory, rhetoric, declamation, facundity, grandiloquence, fluency. (Mumbling, stammering.)
ELUCIDATE—clear up, unfold, simplify, explain, decipher, unravel, disentangle. (Darken, obscure.)
ELUDE—escape, avoid, shun, slip, disappear, shirk.
EMBARRASS—perplex, entangle, involve, impede. (Relieve, unravel.)
EMBELLISH—adorn, decorate, beautify. (Tarnish, disfigure.)
EMBOLDEN—animate, encourage, cheer, instigate, impel, urge, stimulate. (Discourage, dispirit, dampen, depress.)
EMINENT—exalted, lofty, prominent, renowned, distinguished, famous, glorious, illustrious. (Base, obscure, low, unknown.)
EMIT—send out, despatch, spirt, publish, promulgate, edit. (Reserve, conceal, hide.)