| Definition/Meaning | Word/Phrase |
| ability or expertise |
acumen
|
| having expertise |
adept
|
| sphere of activity, expertise |
bailiwick
,
domain
,
preserve
,
province
|
| large missionary Hasidic movement known for their hospitality, technological expertise, optimism and emphasis on religious study |
Chabad
,
Chabad-Lubavitch
,
Lubavitch
,
Lubavitch movement
|
| agency that collects political and economic and technical information about energy matters and makes the Department of Energy's technical and analytical expertise available to other members of the Intelligence Community |
Department of Energy Intelligence
,
DOEI
|
| venture by a partnership or conglomerate designed to share risk or expertise |
joint venture
|
| show expertise at a task or job |
master
|
| having skill or expertise |
masterful
|
| marked by advanced expertise |
proficient
|
| expertise, superficial |
sciolism
|