legitimate

Adjective

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

• in accordance with recognized or accepted standards or principles
  • legitimate advertising practices
    

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

• of marriages and offspring; recognized as lawful

Verb

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

• show or affirm to be just and legitimate

• make legal
  • Marijuana should be legalized
    

Related words

• Synonyms: 
  lawful , licit , logical , legalize , legalise , decriminalize , decriminalise , legitimize , legitimise , legitimatize , legitimatise
• Antonyms: 
  illegitimate , outlaw , criminalize , criminalise , illegalize , illegalise