genuine

/ˈdʒɛnjuɪn/
adjective
  1. Truly what something is said to be; real and not fake or artificial.
    • Is this leather genuine or synthetic?
    • She wore a genuine diamond necklace to the party.
    • The painting was confirmed to be a genuine Picasso.
  2. Sincere and honest; not pretending or putting on a false appearance.
    • I appreciate your genuine concern for my health.
    • Her smile was warm and genuine.
    • He offered a genuine apology for his mistake.