General Warmth and Friendliness:
* Cordial: Polite and friendly.
* Amiable: Pleasant and good-natured.
* Affable: Easy to talk to and approachable.
* Genial: Cheerful and friendly.
* Hospitable: Welcoming and generous.
* Convivial: Enjoying the company of others.
* Gregarious: Outgoing and sociable.
* Pleasant: Agreeable and enjoyable.
* Charming: Pleasing and attractive.
Warmth and Kindness:
* Heartfelt: Sincere and genuine.
* Compassionate: Showing concern for others.
* Sympathetic: Understanding and caring.
* Kind: Having a gentle and caring nature.
* Thoughtful: Showing consideration for others.
* Tender: Gentle and loving.
Friendly and Approachable:
* Open: Willing to talk and share.
* Easygoing: Relaxed and tolerant.
* Outgoing: Friendly and sociable.
* Unpretentious: Simple and genuine.
* Down-to-earth: Practical and realistic.
Informal and Casual:
* Chummy: Close and friendly.
* Palpable: Easily felt or understood.
* Good-natured: Kind and friendly.
* Easygoing: Relaxed and laid-back.
* Friendly: Showing kindliness and goodwill.
Formal and Professional:
* Courteous: Polite and respectful.
* Diplomatic: Skillful in handling people.
* Gracious: Polite and courteous.
* Welcoming: Making people feel comfortable.
* Respectful: Showing regard for others.
The best word to use will depend on the specific context and the desired tone.