| Answer | Crossword Clue |
|---|---|
| IOU | Informal credit, informally |
| TAB | Informal credit |
| CONFAB | Informal discussion, informally |
| TEES | Informal wear, informally |
| PROPS | Credit, informally |
| auditing | Attend (a class) informally, not for academic credit |
| auditors | A person who attends a class informally without working for academic credit |
