Integrity  

Definition: The quality of being honest and fair  

Words that mean the same as Integrity: Character, decency, goodness, honesty, integrity, probity, rectitude, righteousness, rightness, uprightness, virtue and virtuousness. 

Examples:

·     For protected areas, efficacy means avoiding the loss of species and maintaining the integrity of ecosystems.

·       Integrity, honesty, thrift, industry -- these are all admirable qualities that make or break the most successful businessmen.

·      This wouldn't lengthen baseball's schedule — just reduce the days off between series — but it would fortify baseball's integrity.