1) Allow 2) Countenance 3) Decriminalise 4) Decriminalize 5) Legalise 6) Legalize 7) Legitimate 8) Legitimatise 9) Legitimise 10) Legitimize 11) Make legal 12) Permit 13) To legalize 14) To make legitimate 1) Decriminalise 2) Decriminalize 3) Legalise 4) Legalize 5) Legitimatise 6) Legitimise 7) Legitimize 8) Monetise 9) Monetize 
• (v. t.) To legitimate.
Le·git'i·ma·tize (-tīz) transitive verb To legitimate. 
legitimatize To render legitimate or lawful, in various senses; especially, to render (a child) legitimate by legal enactment or otherwise.