Synonyms of the word

effectiveness

• n. The property of being effective, of achieving results.
• n. The capacity or potential for achieving results.
• n. The degree to which something achieves results.

effectivity

• n. (uncountable) The ability or power to be effective.
• n. (countable) A measure of the effectiveness of something.
• n. (countable) [Technical documentation] An indication of the product, procedure, or timescale for which…

effectuality

• n. The state or condition of being effectual.

effectualness

• n. The state or condition of being effectual.

potency

• n. Strength.
• n. Power.
• n. The ability or capacity to perform something.

power

• n. (social) Ability to coerce, influence or control.
• n. (physical, uncountable) Effectiveness.
• n. (mathematics).
• n. (biblical, in the plural) In Christian angelology, an intermediate level of angels, ranked above archangels,…
• v. (transitive) To provide power for (a mechanical or electronic device).
• v. (transitive) To hit or kick something forcefully.
• v. To enable or provide the impetus for.
• adj. (Singapore, colloquial) Impressive.

powerfulness

• n. The quality of being powerful.

strength

• n. The quality or degree of being strong.
• n. The intensity of a force or power; potency.
• n. The strongest part of something; that on which confidence or reliance is based.
• n. A positive attribute.
• n. (obsolete) A strong place; a stronghold.
• v. (obsolete) To give strength to; to strengthen.