A word that is between splendid and fantastic, but it isn't one of them. It is the high feeling of feeling or seeing something splendid and fantastic. Also is not either one word ,it is both
1.)This is a splentastic day.
2.)I feel splentastic.
3.)You look splentatsic
This is a term mostly used by those involved with Wheel of Fortune. It means fantastic, but the "fan" is changed to "spin", referencing the wheel in the popular game show. Pat Sajak, the host, has said this phrase a few times, which is how it stuck with the audience.