General Effectiveness:
* Effective
* Efficient
* Successful
* Productive
* Fruitful
* Viable
* Feasible
* Beneficial
* Worthwhile
Specific Outcomes:
* Achieved
* Accomplished
* Met goals
* Exceeds expectations
* Improved
* Enhanced
* Impactful
* Measurable results
* Positive outcomes
Evaluative Terms:
* Assess
* Evaluate
* Critique
* Analyze
* Examine
* Review
* Judge
* Rate
* Score
Questions to consider:
* How effective is this subject?
* What are the benefits of this subject?
* What are the drawbacks of this subject?
* Does this subject achieve its goals?
* What are the measurable outcomes of this subject?
* How can this subject be improved?
These words and questions can help you frame your judgment about the effectiveness and success of a subject.