This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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ad. In an ergonomic manner

ad. Using ergonomics

"Having just come from a (no doubt) triumphant performance with Efterklang at The Barbican in London, the nine piece outfit surf through an abundance of new material (including the brilliantly named 'Banana Flies Everywhere' and 'One Armed Bandit') and there is a synchronicity, both tonally and ergonomically, that is rarely achieved with such an experimental outfit."

astronomically    comically    economically