| Anecdotal knowledge |
| Acknowledged an ovation |
| Partially obscured (and a hint to this puzzle's theme) |
| Acknowledges responsibility for |
| Acknowledged expert |
| Acknowledge defeat |
| Acknowledges performers |
| Pink Floyd got "Obscured by" them |
| Ancient knowledge |
| Acknowledges |
| Acknowledged mistakes |
| Acknowledges nonverbally |
| Acknowledge, non-verbally |
| Body of traditional knowledge |
| Acknowledged |
| Acknowledgers |
| Acknowledged on Facebook |
| Its motto is "Cor prudentis possidebit scientiam" ("The wise heart seeks knowledge") |
| Acknowledges silently |
| Lacking knowledge |
| Acknowledge openly |
| Acknowledges openly |
| Acknowledge mistletoe overhead |
| Acknowledges applause |
| Acknowledgement from a ticket agent? |
| Acknowledge nonverbally |
| Acknowledged responsibility for |
| Acknowledges, with "to |
| Hardy's "obscure" stonemason |
| Debt acknowledgement |