What does "legalize" mean?

To make legal or permit under law. Either by decriminalising something that has been illegal or by specifically permitting it.

What is a synonym for "legalize"?

Common synonyms include: legitimize, approve, authorize, authorize, certificate, certify.

Pronounced //ˈliːɡəlaɪz//.

/ˈliːɡəlaɪz/ verb

verb ·Uncommon ·College level

Verb

1
To make legal or permit under law. Either by decriminalising something that has been illegal or by specifically permitting it.
"There is a debate whether or not to legalize some of the softer drugs."
2
make legal wordnet

"Certain things are easier to legalize than legitimize."

From legal + -ize. Piecewise doublet of loyalize.