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n.
(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature); "the rationale for capital punishment"; "the principles of internal-combustion engines"
n.
uncertainty about the truth or factuality of existence of something; "the dubiousness of his claim"; "there is no question about the validity of the enterprise"
n.
a surrounding or nearby region; "the plane crashed in the vicinity of Asheville"; "it is a rugged locality"; "he always blames someone else in the immediate neighborhood"; "I will drop in on you the next time I am in this neck of the woods"
v.
perceive with the senses quickly, suddenly, or momentarily; "I caught the aroma of coffee"; "He caught the allusion in her glance"; "ears open to catch every sound"; "The dog picked up the scent"; "Catch a glimpse"
v.
perceive by sight or have the power to perceive by sight; "You have to be a good observer to see all the details"; "Can you see the bird in that tree?"; "He is blind--he cannot see"
v.
observe, check out, and look over carefully or inspect; "The customs agent examined the baggage"; "I must see your passport before you can enter the country"