judicious

(adj)

example: after much thought, i decided that the most judicious thing to do was to avoid the swamp full of alligators.

showing sound judgement;  prudent

adjucdicate

(v)

example: sometimes when my two children fight, i feel like i'm adjudicating a capital crime rather than settling a quarrel.

to hear and judge a case

astute

(adj)

example: the young sherlock holmes was quite the astute investigator; he always unraveled even the toughest mysteries.

shrewd;keen

scrutinize

(v)

example:before buying an applce, scrutinize it to be sure it has no brusies.

to examine carefully

pragmatic

(adj)

example:the architects chose a solarium design that was less aesthetic than pragmatic: it was not beautiful, but it kept heating and lighting costs down.

concerned with practical outcomes

perjure

(v)

example: the mobster told blatant lies while on the stand perjuring himself to keep his partners out of jail.

to lie under oath

prudent

(adj)

example: it would not be prudent to sneak out of your room again tonight; your parents will ground you if they catch you!

using good judgment

jurisprudence

(n)

example: it would not be prudent to sneak out of your room again tonight; your parents will ground you if they catch you!

jurisdiction

(n)

adjure

(v)

adjudge

(v)

acumen

(n)

inscrutable

(adj)

allegation

(n)