Answer: perfect

AnswerCrossword Clue
PERFECT10, to a gymnast
perfectexcellent
perfectdesignating a verb tense that indicates an action already completed
perfectto make faultless
perfectto make faultless / lacking in fault or defect
perfectwithout flaws
perfectcomplete; thorough
PERFECTFree of flaws
PERFECT"Couldn't be better!"
PERFECT"Just the thing!"
PERFECTEarning a 10
PERFECTUnflawed
PERFECTComplete, as a stranger.
PERFECTLike a 300 game in bowling
PERFECTHaving no faults
PERFECTImprove to the max
PERFECTLike a 10
PERFECTIdeal
PERFECT2400 on your SAT scoresheet is an example of a ... number