Normal

1. normal room temperature; one's normal weight; normal diplomatic relations. 2. Functioning or occurring in a natural way; lacking observable abnormalities or deficiencies. 3. Designating a solution having one gram equivalent weight of solute per liter of solution. 4. Designating an aliphatic hydrocarbon having a straight and unbranched chain of carbon atoms. 5. Being at right angles; perpendicular. 6. Relating to or characterized by average intelligence or development. 7. Free from emotional disorder. 8. scored close to the normal. 9. The usual or expected state, form, amount, or degree. 10. Correspondence to a norm. 11. An average. 12. A perpendicular, especially a perpendicular to a line tangent to a plane curve or to a plane tangent to a space curve.