1. a starting point or standard for comparisons
2. the area near the baselines at each end of a tennis court
Usage: tennis
3. the line between bases on a baseball field
Usage: baseball

1. to establish a baseline or starting point for comparison

Examples

• The researchers established a baseline before beginning the study.
• We need to measure baseline performance before implementing changes.
• The tennis player stayed near the baseline during the match.
• The runner was tagged out between first and second baseline.
• The company will baseline their current processes next month.
• Her test scores provided a baseline for measuring improvement.
• The baseline data showed significant variations across regions.