So can you wear one with a suit
I also found links online to dresses in a range of prices that would work well for what I had in mind
Places like Nordstrom, Dillard's and Adrianna Papell ship quickly (within a week usually) and more will enable you to have your dress very quickly
The gown features a structured, corset-style bodice with delicate pleating, accentuating the waist while providing an elegant and flattering silhouette

Home Christmas Dresses Plus Size Christmas Ball Santa Claus Flowers Flamingo Seascape Print Vintage Dress 516603811 Flash Sale Starts In : Ends In : 00h: 00m: 00s Color: US:4, Bust:77~83cm, Waist:65~71cm, Hips:87~93cm US:6, Bust:83~89cm, Waist:71~77cm, Hips:93~99cm EU:36, Bust:89~95cm, Waist:77~83cm, Hips:99~105cm EU:38, Bust:95~101cm, Waist:83~89cm, Hips:105~111cm EU:42, Bust:101~107cm, Waist:89~95cm, Hips:111~117cm EU:44, Bust:107~113cm, Waist:95~101cm, Hips:117~123cm US:16, Bust:113~119cm, Waist:101~107cm, Hips:123~129cm EU:48, Bust:119~125cm, Waist:107~113cm, Hips:129~135cm US:20, Bust:125~131cm, Waist:113~119cm, Hips:135~141cm EU:52, Bust:131~137cm, Waist:119~125cm, Hips:141~147cm US:24, Bust:137~143cm, Waist:125~131cm, Hips:147~153cm Qty: In Stock Fit & Size Description Delivery Info CM INCH * The size is measured directly on the clothes