understand

As a verb understand

is (lb) to be aware of the meaning of.

As a noun awareness is

the state or level of consciousness where sense data can be confirmed by an observer.

Distinguish is a related term of understand.

As verbs the difference between distinguish and understand

is that distinguish is to see someone or something as different from others while understand is (lb) to be aware of the meaning of.

As verbs the difference between predict and understand

is that predict is to make a prediction: to forecast, foretell, or estimate a future event on the basis of knowledge and reasoning; to prophesy a future event on the basis of mystical knowledge or power while understand is (lb) to be aware of the meaning of.

As a noun predict

is (obsolete) a prediction.

In transitive terms the difference between copy and understand

is that copy is to imitate while understand is to be aware of the meaning of.

As a noun copy

is the result of copying; an identical duplicate of an original.

In transitive terms the difference between understand and digest

is that understand is to be aware of the meaning of while digest is to think over and arrange methodically in the mind; to reduce to a plan or method; to receive in the mind and consider carefully; to get an understanding of; to comprehend.

As a noun digest is

that which is digested; especially, that which is worked over, classified, and arranged under proper heads or titles.

As verbs the difference between compassion and understand

is that compassion is (obsolete) to pity while understand is (lb) to be aware of the meaning of.

As a noun compassion

is deep awareness of the suffering of another, coupled with the wish to relieve it.

As verbs the difference between understand and underestimate

is that understand is (lb) to be aware of the meaning of while underestimate is to perceive (someone or something) as having a lower value, quantity, worth, etc, than what he/she/it actually has.

As a noun underestimate is

an estimate or perception that is too low.

As verbs the difference between noted and understand

is that noted is (note) while understand is (lb) to be aware of the meaning of.

As an adjective noted

is famous; well known because of one's reputation; celebrated.

As a noun note

is .

As a verb understand is

(lb) to be aware of the meaning of.

In transitive terms the difference between obey and understand

is that obey is to do as ordered by (a person, institution etc), to act according to the bidding of while understand is to be aware of the meaning of.