You bet! Since your new ENS membership cost is forwarded to the charity of your choice, it is a charitable deduction. And you get an e-mail certification of your donation, for documentation.
Taxation laws do not permit you to deduct the portion purchasing “goods or services” of course, so your money is 100% deductible only if you select the Membership Only option. When you purchase a WordRight, your membership portion is deductible but not that part buying your framed certificate, wallet card, or any other item you select.
Besides the tax savings, you also get a great feeling in your heart knowing someone a world away is benefitting from your gift, while you’re enjoying ENS membership and the fun of your WordRight!