Solutions seem legit has 33 entries with similar clues

• 3-letter words
• imoTexter's "It seems to me . . ."
• eonSeemingly eternal stretch
• coyseemingly reluctant to give details
• 4-letter words
• lookSeem
• fitsSeems just right
• shamNot what it seems to be
• 5-letter words
• vibesFeelings that seem to emanate
• validLegitimate
• retchSound and seem to vomit
• 6-letter words
• appearSeem
• lawfulLegitimate
• properSeemly
• 7-letter words
• allowedLegitimate
• fittingSeemly
• decencySeemliness
• 8-letter words
• rightfulLegitimate
• becomingSeemly
• decorousSeemly
• 9-letter words
• nominallySeemingly but not really
• fair-gameLegitimate object of ridicule
• elevensesMid-morning snacks seem to be doubly plural
• 10-letter words
• ostensibleSeeming
• lawfulnessLegitimacy
• as-it-wereSeemingly
• 11-letter words
• correctnessLegitimacy
• implausibleNot seeming reasonable
• genuinenessLegitimacy
• 12-letter words
• rightfulnessLegitimacy
• play-it-coolMake an effort to seem unconcerned
• authenticityLegitimacy
• 15-letter words
• appropriatenessLegitimacy
• 17-letter words
• on-the-face-of-itSeemingly
• 19-letter words
• i-dont-mind-if-i-doSeemingly indifferent acceptance of an offer