in an effective manner
"these are real problems that can be dealt with most effectively by rational discussion"
in actuality or reality or fact
"she is effectively his wife"
"in effect, they had no choice"
In an efficient or effective manner; with powerful effect.
"The new marketing campaign effectively boosted our sales by reaching a wider audience without increasing ad spend."
In plain English: Effectively means doing something so well that it works just as if you had done it perfectly.
"The team worked effectively to finish the project on time."
Usage: Use effectively to describe how well something achieves its intended purpose or produces a desired result. It indicates that an action was successful in creating the necessary impact, regardless of whether it was done quickly or cheaply.
Effectively is formed by adding the suffix "-ly" to the word effective. It entered English as an adverb describing how something is done successfully or efficiently.