Indeed, there are lots of meanings for the verb "arrumar". This website might help you: http://www.wordreference.com/pten/arrumar

When someone is "arrumada", it means the person made an effort to look good. Like she's neat and tidy. In this case, it's about her clothes, her hair...

http://www.portuguesedictionary.net/index.php?q=arrumado

:-)))

There's an expression with it: "dar um arrumada". It is an informal form of "arrumar" (to organize or clean things at home, for example). It may be applied to people, sometimes. An example: "Beatriz está arrumada hoje" (not too common, i think).

thank you