DictionarygenialityWarm friendliness
noun

geniality

jee-nee-AL-uh-tee/ˌdʒiːniˈæləti/

Warm friendliness and cheerful good nature.

Her geniality puts even the most nervous guests at ease.

A cheerful host warmly welcomes a visitor, meeting his eyes with a broad, relaxed smile while offering a friendly handshake and gesturing toward an open chair.
Etymology

The “pleasant, festive” base forms a noun for that quality. English geniality first meant festivity, then shifted toward personal cheerfulness and warm friendliness.

In context

Pictures&More33:16
the multitudinous wrinkles that covered his face arranged themselves into a sort of diagram of geniality it was the crinkliest smile that I had ever seen But A singularly Pleasant one
The D'Arblay Mystery by R. Austin Freeman | Detective Fiction | Audiobook

More examples

  • The teacher greets every student with genuine geniality.
  • Even during disagreements, he maintains his usual geniality.
  • Customers appreciate the owner's geniality as much as the food.

Forms

genial adjective — Warmly friendly and cheerful toward others.

genially adverb — In a warmly friendly, cheerful manner.

Similar words

friendliness
Emphasizes welcoming behavior without necessarily suggesting a cheerful temperament.
amiability
Emphasizes a pleasant, agreeable disposition more than cheerful warmth.
cordiality
Emphasizes warmth in greetings and interactions, sometimes in formal settings.