- **Consistent practice**: Synonyms could include regular training, continual exercise.
- **Fundamental**: Essential, crucial, vital.
- **Reinforcing**: Strengthening, bolstering, fortifying.
- **Skills and knowledge**: Abilities and understanding, expertise and information.
- **Engaging in**: Participating in, involved in.
- **Repeated exercises**: Recurrent drills, ongoing practices.
- **Gradually increasing**: Progressively enhancing, steadily escalating.
- **Difficulty of tasks**: Complexity of assignments, challenge level of activities.
- **Consolidate their learning**: Solidify their knowledge, firm up their education.
- **Enhance their proficiency**: Improve their skill, boost their adeptness.
- **Regular review sessions**: Routine revision periods, consistent recapitulations.
- **Retained over time**: Preserved over duration, maintained continuously.
- **Not forgotten**: Remembered, recalled.