Attempts to resolve the Quandary:
4
Jennifer first thought landing the title role in Medea rather felicitous, she'd now be able to show the world her cothurnal talents, but the selcouth director had enjoined the cast from any and all creative expression making her feel like she was back at Disneyworld in the Minnie costume. (by luigi)
3
"A most felicitous and selcouth production!" quoth Jason cheerfully, stooping to lace up his kothurnoi and, as usual, failing completely to comprehend the obvious and terrifying implications of the play until forcibly enjoined to do so by his co-star, Medea. (by cusheamus)
2
Over a very brief period of time he went from a selcouth young man of felicitous manner, to cothurnal, to just plain weird; until enjoined from attending school itself when it became quite clear that his career choices were limited to either institutional care or the entertainment industry. (by gumo420)
1
Woefully inexperienced as a children's entertainer, Mr Grimm entered the playroom enjoining strict silence before declaiming in cothurnal tones T.S.Eliot's 'Ash Wednesday'; after which the hostess, while thanking him for his 'most felicitous and selcouth' reading, swore to herself that next year she would insist on the agency sending along Mr Funnyface again. (by Bud Myte)

5
Because the teacher felt that the infelicitous outcomes in Edward Gorey's Gashlycrumb Tinies – a selcouth exploration of juvenile demise – made it unsuitable for production as an elementary school play, she enjoined her young pupil Igor from circulating the idea among his classmates, squashing his hopes of directing the project and darkening his already cothurnal demeanor in those last few days of his life, before he was masticated by a macaw. (by Rudi)