A create spin on the word "get", meaning "come to have (something); receive", and to "succeed in attaining, achieving, or experiencing; obtain".
Gettingly has nine letters and three syllables. Established brands using three syllable names include KFC, Verizon and Grammarly.
Gettingly.com is a dot com domain. Dot com domains are the most desirable top-level-domain in the world, famously used by websites like facebook.com. A dot com is the first thing people think of when they think of a website.