reference

As a verb suggested is

(suggest).

As a noun plagiarism

is (uncountable) the act of plagiarizing: the copying of another person's ideas, text or other creative work, and presenting it as one's own, especially without permission.

As nouns the difference between reference and registry

is that reference is a relationship or relation ({{term|to}} something) while registry is a building in which things are registered or where registers are kept.

As a verb reference

is to refer to, to make reference to, to cite.

As verbs the difference between pertain and reference

is that pertain is to belong while reference is to refer to, to make reference to, to cite.

As a noun reference is

a relationship or relation ({{term|to}} something).

Significance is a related term of reference.

As a noun significance

is the extent to which something matters; importance.

Reference is a related term of importance.

As a noun importance is

the quality or condition of being important or worthy of note.

Reference is a related term of communication.

As a noun communication is

the act or fact of communicating anything; transmission.

As a noun acknowledgement is

(british) the act of acknowledging; admission; avowal; owning; confession.

In obsolete terms the difference between reference and conditional

is that reference is appeal while conditional is a limitation.

As nouns the difference between reference and conditional

is that reference is a relationship or relation ({{term|to}} something) while conditional is a conditional sentence; a statement that depends on a condition being true or false.

As a verb reference

is to refer to, to make reference to, to cite.

As an adjective conditional is

limited by a condition.