Following through a chain of tweets recently I came across the profile of TesPro , a company in India, with a web site at tespro.in which consisted of only the company name and a couple of words, "under updation". Updation? My failure antennae were throbbing gleefully. But I've been caught out by my own certainty too many times, so I searched for the word on the web: updation noun. (India, nonstandard) The act of updating something updation noun. (informal) updating; the act or process of bringing up-to-date The -(t)ion derivational suffix can't be applied to update . Derivations are almost all irregular, and restricted in the words they can appear on. And here's how my internal dialog continued: OK, so it's maybe a bit informal and used mostly in India, but as the web site is based in India let's just calm ourselves down. There's no issue here, right? But the web is a global tool and a couple of trusted references for English -