Meaning of “legalize” - Learner’s Dictionary

legalize

verb [ T ] us uk /ˈliːɡəlaɪz/

to make something legal:

How many Americans want to legalize drugs?
legalization noun [ U ] us uk /ˌliːɡəlaɪˈzeɪʃən/

the legalization of abortion

(Definition of “legalize” from the Cambridge Learner’s Dictionary © Cambridge University Press)