normalise

To make normal, to make standard.

"There is little hope that the two countries will normalize relations; their governments seem to hate each other and would just as soon stay on bad terms."

To format in a standardized manner, to make consistent.

"We'll need to normalize these statements before we can compare them."

To reduce to variations by excluding irrelevant aspects.

"After we properly normalize the measurements with respect to age, gender, geography and economic considerations, there remains little evidence of a difference between the two groups."