As Mick mentions in his comment, "to deem suit" is a bit previous-fashioned but not, I do think, enough that you mustn't find out how to make use of the idiom. I would not simply call it "Victorian" English, as it's a phrase that sees standard use even today. As https://catgroominguae77541.jaiblogs.com/63843475/getting-my-clean-litter-practices-uae-to-work