effectiveness
[ih-fek-tiv-nis, ee-fek‐]
/ ɪˈfɛk tɪv nɪs, iˈfɛk‐ /
NOUN
persuasiveness
Synonyms
STRONGEST
STRONG
Antonyms
STRONGEST
NOUN
ability to produce a result
Synonyms
STRONGEST
STRONG
Antonyms
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.