| Solution | Length | |
|---|---|---|
| 4 letters | ||
| UPON | 4 | |
| 5 letters | ||
| smart | 5 | |
| Up On | 5 | |
| adept | 5 | |
| 6 letters | ||
| posted | 6 | |
| strong | 6 | |
| versed | 6 | |
| taught | 6 | |
| primed | 6 | |
| poetic | 6 | |
| expert | 6 | |
| fluent | 6 | |
| stanza | 6 | |
| 7 letters | ||
| skilled | 7 | |
| steeped | 7 | |
| erudite | 7 | |
| briefed | 7 | |
| trained | 7 | |
| good at | 7 | |
| 8 letters | ||
| seasoned | 8 | |
| handy-at | 8 | |
| skillful | 8 | |
| INFORMED | 8 | |
| adept-in | 8 | |
| schooled | 8 | |
| educated | 8 | |
| 9 letters | ||
| well-read | 9 | |
| strong-in | 9 | |
| master-of | 9 | |
| expert-at | 9 | |
| versed-in | 9 | |
| 10 letters | ||
| skilled-in | 10 | |
| instructed | 10 | |
| at-home-in | 10 | |
| au-courant | 10 | |
| well-up-on | 10 | |
| abreast-of | 10 | |
| PROFICIENT | 10 | |
| up to date | 10 | |
| 11 letters | ||
| well-posted | 11 | |
| widely-read | 11 | |
| ENLIGHTENED | 11 | |
| 13 letters | ||
| well-educated | 13 | |
| well-grounded | 13 | |
| WELL INFORMED | 13 | |
| proficient-in | 13 | |