most achieving (adjective) effectual: influential; authoritative
Detalii: effective means 'having a (desired) result or effect,' effectual is 'succeeding in producing a desired result or effect,' and efficacious means the same as effectual as well as 'serving as an effective solution or remedy'
Sinonime: adumbrate,
announce,
augur, betoken, bode,
divine,
feel, forebode, forecast, forerun,
foresee,
foreshadow, foreshow, foretell, foretoken, forewarn, harbinger,
herald, intuit, omen, point to,
portend, preindicate, prognosticate,
promise, prophesy,
sense,
signify, soothsay, vaticinate,
warnAntonime: impotent,
incapable,
ineffectual, unproductive,
unsuccessful,
useless,
weak