| 1. | united, joined, or linked. |
| 2. | having a connection. |
| 3. | joined together in sequence; linked coherently: connected ideas. |
| 4. | related by family ties. |
| 5. | having social or professional relationships, esp. with influential or powerful persons. |
| 6. | Mathematics. pertaining to a set for which no cover exists, consisting of two open sets whose intersections with the given set are disjoint and nonempty. |
well-connected
Said of a computer installation, asserts that it has reliable electronic mail links with the network and/or that it relays a large fraction of available Usenet newsgroups. "Well-known" can be almost synonymous, but also implies that the site's name is familiar to many (due perhaps to an archive service or active Usenet users).