plussed

1. (informal) Calm, collected and unconfused; not nonplussed (“bewildered, unsure how to react”).Examples: "Jady was rarely nonplussed, normally being very plussed indeed, but Alison's ability to move events without really noticing astounded him. She ran her hair idly through her fingers."; "Edgar was a bit not plussed when they asked him about it. Such a problem had never occurred before, he was sure of that, and it would probably have to be […]"; "Elhugavamp stopped up her ears with cotton wool and continued to smoke her acrid Serbian cigarillo, looking quite plussed and nonchalant, unlike me, for I was nonplussed and chalant, and innocent of cotton wool ear-stoppers."informalnot-comparable

2. (informal) Bothered, fazed, vexed, or concerned; not nonplussed (“unfazed, unaffected, unimpressed”).Examples: "I have received so much contradictory advice that I am quite plussed [sic] but I am inclined to think that that given to me by Mr. the American Ambassador […]"; "[…] in time for final boarding call, only slightly non-plussed. Actually, I was quite plussed. It's a scary thought to think what might have happened had we missed our plane, the first of 3 connecting flights."; "Both Morty and Bloody Mary feigned being non-plussed by the attention [...and] have to school Even Stephen in keeping things low key. He acted quite plussed by the attention. He bathed in the developing cult status of the Supergroup. “Lay low and play the fucking bass,” Morty repeated throughout their tour."informalnot-comparable