1) According to miss manners 2) As miss manners would do it 3) Decent 4) Decently 5) How things should be done 6) In good order 7) In the right manner 8) Right 9) The right way 10) With decorum 11) With reason or justice Found on https://www.crosswordclues.com/clue/properly
• (adv.) In a proper manner; suitably; fitly; strictly; rightly; as, a word properly applied; a dress properly adjusted. • (adv.) Individually; after one`s own manner. Found on http://thinkexist.com/dictionary/meaning/properly/
Prop'er·ly adverb 1. In a proper manner; suitably; fitly; strictly; rightly; as, a word properly applied; a dress properly adjusted. Milton. 2. Individually; after one's own manner. [ Obsolete] « Now, harkeneth, how I bare me properly .» Found on http://www.encyclo.co.uk/webster/P/175