| chat, to converse |
| to introduce subtleties into or argue subtly about. |
| certificate | |
| —n | |
| 1. | an official document attesting the truth of the facts stated, as of birth, marital status, death, health, completion of an academic course, ability to practise a profession, etc |
| 2. | short for share certificate |
| —vb | |
| 3. | (tr) to authorize by or present with an official document |
| [C15: from Old French certificat, from certifier | |
| cer'tificatory | |
| —adj | |