0 to make something legal or acceptable: --
The government fears that talking to terrorists might legitimize their violent actions.
1 to make something legal or acceptable --
2 to make something that is not fair or honest seem acceptable: --
He called efforts to legitimize medical marijuana "despicable".
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.