"naturally friendly" is a correct and usable phrase in written English.
It can be used to describe someone who is naturally kind, warm, and pleasant towards others. Example: She had a natural knack for making friends wherever she went, always being naturally friendly and approachable.
A person with a naturally friendly disposition toward strangers may have played a role in developing his "nature" to be friendly toward strangers, and thus may bear some responsibility for his "nature" to be friendly toward others.
❦ Such a view of cultural inheritance is naturally friendly to science.
The massage was fabulous, the surroundings were calming and the naturally friendly staff puts you at ease from start to finish.
He's a naturally friendly guy, but he's not a person who lifts people like a John Kennedy or a Ronald Reagan or, on occasion, a Bill Clinton".
The friend works in an environment which might be thought naturally friendly to equality issues: BBC, north London, young people – all liberally inclined cultures.
They were neat, manageable and formed the sort of naturally friendly little world which the current attempts at 'localism' keep talking about.
Could it just be that heavy Internet users are just naturally more friendly -- or chatty?
Sourdough breadmaking, which naturally involves friendly bacteria and yeast fermentation, produces all of these: lactic acid gives it that satisfying twang, acetic acid helps it stay fresh and mould-free, carbon dioxide makes it rise and the booze evaporates.
Act naturally and friendly.
São Paulo is not naturally bike-friendly.
The capital is a compact, reasonably flat city that is naturally bike-friendly, and even its old cycle routes are wider and better maintained than London's.
