in reference to
About the matter
In reference to introduces the topic under discussion or the thing being addressed: In reference to your email, we've approved the request.
The phrase is formal, appearing in business correspondence and official communications.
It functions like regarding or concerning but sounds more bureaucratic.
Often shortened to re: in subject lines.
On the subject of
- concerningCausing worry or unease
- pertaining toRelating to a subject
- with respect toAbout a topic
- in relation toConcerning a specified subject
apropos · vis-à-vis · in connection with · on the subject of · as to · in terms of · relative to · with regard to
Citation at page bottom
- endnoteBack-of-book citation
- bibliographyList of cited works
- sourcePoint of origin
- attributionAssigning origin or cause
quotation · acknowledgment · documentation · works cited · parenthetical · ibid · citation style · MLA
Indirect suggestion
- suggestionIdea proposed for consideration
- implicationIndirect suggestion or consequence
- innuendoOblique disparaging remark
- insinuationIndirect, usually negative suggestion
intimation · subtext · undertone · echo · evocation · connotation · coded language · double meaning
Indicating by name
- indicatingShowing or pointing to
- signifyingExpressing or conveying meaning
- identifyingDetermining what something is
- specifyingStating precisely
naming · labeling · calling · describing · characterizing · marking · tagging
regarding
On the subject of
- concerningCausing worry or unease
- pertaining toRelating to a subject
- with respect toAbout a topic
in relation to · apropos · vis-à-vis · in connection with · on the subject of · as to · in terms of · relative to · with regard to · bearing on
footnote
Citation at page bottom
- endnoteBack-of-book citation
- bibliographyList of cited works
- sourcePoint of origin
attribution · quotation · acknowledgment · documentation · works cited · parenthetical · ibid · citation style · MLA · APA
hint
Indirect suggestion
- suggestionIdea proposed for consideration
- implicationIndirect suggestion or consequence
- innuendoOblique disparaging remark
insinuation · intimation · subtext · undertone · echo · evocation · connotation · coded language · double meaning · between the lines
denoting
Indicating by name
- indicatingShowing or pointing to
- signifyingExpressing or conveying meaning
- identifyingDetermining what something is
specifying · naming · labeling · calling · describing · characterizing · marking · tagging
in reference toirrespective of
Without being affected by
regardless of · apart from · aside from · notwithstanding · ignoring
reference, refer, refers, referred, referring, referral, referent, referential