Friendliest

adjective

1. Generally warm, approachable and easy to relate with in character.

   "Your cat seems very friendly."

2. Inviting, characteristic of friendliness.

   "He gave a friendly smile."

3. Having an easy or accepting relationship with something.

   "a dog-friendly café"

4. Without any hostility.

   "a friendly competition"

5. Promoting the good of any person; favourable; propitious.

   "a friendly breeze or gale"