Meaning of the word efficacious in English

What does efficacious mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

efficacious

US /ˌef.əˈkeɪ.ʃəs/
UK /ˌef.ɪˈkeɪ.ʃəs/

Adjective

able to produce the intended result:

Example:
We believe that educational or counseling programs are a more efficacious way of dealing with this problem than harsh sanctions.