pollyannish

1. (derogatory) irrepressibly or excessively optimistic; capable of seeing good in anyoneExamples: "[…] what we've been waiting for so long: a positive but never Pollyanish play about gays leading lives which are neither some bizarre caricature taken from heterosexual fantasy nor even more nuclear and apple-pie normal than any straight lives anyone has ever heard of."; "She insisted: "Look, the House is not very different from when I was there. You have to have some faith in the governing majority, which I do, because I have a lot of respect for members on both sides of the aisle to do what’s best for the American people. And that is not some pollyannish thing. I know them.""derogatory