efficaciously
ef·fi·ca·ciously
adverb
1.
- “these are real problems that can be dealt with most effectively by rational discussion”
Origin
From efficacious + -ly.
Related words
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.