Of a person: readily and willingly available to others. Also (without construction): approachable; friendly.

That may be frequented or visited, easily accessible. of a person. Obsolete.

Capable of being accosted or approached; approachable, accessible; affable.

figurative in various uses of the verb.

That can be boarded, as a ship; figurative that can be approached or accosted; approachable, affable.