valid

As adjectives the difference between valid and worthwhile

is that valid is valid while worthwhile is good and important enough to spend time, effort, or money on.

Well-behaved is a related term of valid.

As adjectives the difference between well-behaved and valid

is that well-behaved is (of a person or animal) having good manners and acting properly; conforming to standards of good behaviour; while valid is valid.

Veritable is a related term of valid.

As adjectives the difference between veritable and valid

is that veritable is veritable while valid is valid.

As a letter s

is the letter s with a.

As an adjective valid is

valid.

Faithful is a related term of valid.

As adjectives the difference between faithful and valid

is that faithful is loyal; adhering firmly to person or cause while valid is valid.

As a noun faithful

is the practicing members of a religion or followers of a cause.

Honorable is a related term of valid.

As adjectives the difference between honorable and valid

is that honorable is (us) worthy of respect; respectable while valid is valid.

Valid is a synonym of well-grounded.

As adjectives the difference between valid and well-grounded

is that valid is valid while well-grounded is (of a person) having extensive knowledge of a subject.

As adjectives the difference between valid and accept

is that valid is valid while accept is (obsolete) accepted.

As a verb accept is

to receive, especially with a consent, with favour, or with approval.

As adjectives the difference between realistic and valid

is that realistic is expressed or represented as being accurate while valid is valid.

As adjectives the difference between valid and passed

is that valid is valid while passed is that has passed beyond a certain point (chiefly in set collocations).

As a verb passed is

(pass).