“Maintain knowledge” can mean remembering what you already know, keeping your expertise current, or continuing to understand a subject. These 8 alternatives distinguish retention from ongoing learning and updating.
Choose the Phrase for Retaining or Updating Knowledge
- Retain knowledge
- Preserve knowledge
- Keep knowledge current
- Sustain understanding
- Maintain expertise
- Refresh your knowledge
- Keep informed
- Stay knowledgeable
Retain knowledge
Use this when the emphasis is on remembering information over time rather than losing it.
Example: Regular retrieval practice helps students retain knowledge after the course ends.
Preserve knowledge
This is especially useful for organizational, cultural, or specialist knowledge that needs to be recorded and passed on.
Example: The handover process is designed to preserve knowledge when experienced staff leave.
Keep knowledge current
Use this when information can become outdated and the goal is to stay up to date.
Example: Clinicians need to keep their knowledge current as guidance changes.
Sustain understanding
This emphasizes maintaining a level of comprehension over time, often through continued use or review.
Example: Periodic discussion can help sustain understanding of complex procedures.
Maintain expertise
Use this when “knowledge” refers to professional competence or specialist command of a field.
Example: Engineers must complete continuing education to maintain expertise.
Refresh your knowledge
This means revisit material you already learned so it becomes easier to recall or use again.
Example: Before the assessment, take an hour to refresh your knowledge of the core concepts.
Keep informed
Use this when maintaining knowledge means continuing to receive new information about events, developments, or decisions.
Example: Subscribe to the bulletin to keep informed about regulatory changes.
Stay knowledgeable
A broad, natural phrase for continuing to know a subject well through reading, practice, or experience.
Example: Good advisers stay knowledgeable about both the rules and the wider market.