1. In a clear and lucid manner
   - lucidly, limpidly, perspicuously

See also: pellucid

• test bed
• test case
• test copy
• test drive
• test driver
• test equipment
• test fly
• test instrument vehicle
• test match
• test paper
• test period
• test pilot
• test range
• test rocket
• test room
• test suit
• test tube
• test-tube baby
• testa
• testable
• Testacea
• testacean
• testaceous
• testacy
• testament