Legitimately; within the law.
Honestly; truly; seriously.
Not using cheats.
Cool by virtue of being genuine.
Legitimate; legal; allowed by the rules; valid.
Genuine, actual, literal or honest.
Genuinely good and possessing all the required or expected qualities; the real deal.
A legitimate; a legitimate actor.
A legitimate child.
Towards the goal.
With accuracy.
Accurate, or accurately predicted.