legitimate

make legal; "Marijuana should be legalized"

show or affirm to be just and legitimate

make (an illegitimate child) legitimate; declare the legitimacy of (someone); "They legitimized their natural child"

of marriages and offspring; recognized as lawful

based on known statements or events or conditions; "rain was a logical expectation, given the time of year"

in accordance with recognized or accepted standards or principles; "legitimate advertising practices"

authorized, sanctioned by, or in accordance with law; "a legitimate government"