what is the age of your wife??? does she like mild or strong fragrances? i can only recommend to you those that i am using.

Chance by Channel

Pleasures by Estee Lauder

Happy by Clinique

Aqua de guia by Giorgio Armani

Incanto by Salvatore Ferragamo

Envy Me by Gucci

if you want you can try to visit the perfume stores and let your wife sample the smell and try observe which ones she like. 

hope this will help you..

~smile always~