Invigilator

[in-vij-uh-leyt] /ɪnˈvɪdʒ əˌleɪt/

verb (used without object), invigilated, invigilating.
1.
to keep watch.
2.
British. to keep watch over students at an examination.
/ɪnˈvɪdʒɪˌleɪt/
verb (intransitive)
1.
(Brit) to watch examination candidates, esp to prevent cheating US word proctor
2.
(archaic) to keep watch
n.

1892, agent noun from invigilate.
v.

1550s, from Latin invigilatus, past participle of invigilare “watch over, be watchful, be devoted,” from in- “in” (see in- (2)) + vigilare (see vigil). Especially in reference to student exams. Related: Invigilated; invigilating.

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[in-vig-uh-reyt] /ɪnˈvɪg əˌreɪt/ verb (used with object), invigorated, invigorating. 1. to give vigor to; fill with life and energy; energize. /ɪnˈvɪɡəˌreɪt/ verb 1. (transitive) to give vitality and vigour to; animate; brace; refresh: to be invigorated by fresh air adj. 1690s, adjective from present participle of invigorate. Related: Invigoratingly. v. 1640s, from in- (2) + […]

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Invigorative
[in-vig-uh-reyt] /ɪnˈvɪg əˌreɪt/ verb (used with object), invigorated, invigorating. 1. to give vigor to; fill with life and energy; energize. /ɪnˈvɪɡəˌreɪt/ verb 1. (transitive) to give vitality and vigour to; animate; brace; refresh: to be invigorated by fresh air v. 1640s, from in- (2) + vigor + -ate (2). Earlier verb was envigor (1610s). Related: […]