What is the meaning of legitimate?

verb

• Make legal.
  • usage: "Marijuana should be legalized"
  • synonyms: legalize, legalise, decriminalize, decriminalise, legitimize, legitimise, legitimatize, legitimatise
• Show or affirm to be just and legitimate.
• Make (an illegitimate child) legitimate; declare the legitimacy of (someone. )
  • usage: "They legitimized their natural child"

adjective

• Of marriages and offspring; recognized as lawful.
• Based on known statements or events or conditions.
  • usage: "rain was a logical expectation, given the time of year"
  • synonyms: logical
• In accordance with recognized or accepted standards or principles.
  • usage: "legitimate advertising practices"
• Authorized, sanctioned by, or in accordance with law.
  • usage: "a legitimate government"
  • synonyms: lawful, licit