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investment-grade
investment schedule
investment tax credit
investment trust
investor
inveterate
inviable
invidious
invigilate
invigilator
invigorate
invigorating
invincible
inviolable
inviolate
inviscid
invisible
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invigilate

in·vig·i·late [ in víjjə làyt ] (past and past participle in·vig·i·lat·ed, present participle in·vig·i·lat·ing, 3rd person present singular in·vig·i·lates)


transitive and intransitive verb 
Definition:
 
U.K. education 
Same as  proctorv


[Mid-16th century. < Latin invigilat-, past participle of invigilare "to watch" < vigil "awake"]

in·vig·i·la·tion [ in vìjjə láysh'n ] noun
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