Aunt Alexandra was not a complete stranger to Maycomb, since she had known many of the people for decades.
Maycomb welcomed her... Aunt Alexandra seemed as if she had always lived with us.
Since many of Scout's neighbors are single, middle-aged women, Alexandra is sure to fit right in. Additionally, many of the women live to gossip, and Alexandra always has an opinion about anyone in town. Miss Maudie, Miss Stephanie, and Miss Rachel brought gifts and visited often; even Nathan Radley stopped by to say hello. Alexandra proved to be a social butterfly, joining the Missionary Circle and the Amanuensis Club (apparently for people who take dictation). She was never at a loss for confidence, always ready to
... exercise her royal prerogative: she would arrange, advise, caution and warn... She never let a chance escape her to point out the shortcomings of other tribal groups...