There's a help table in FTM that will list all the Dating expressions you can use and what FTM will display.
Bear in mind this is from FTM 2010.
From FTM Click on "Help" Then "Family Tree Maker Help" Then Select the "Index" Tab in the black field type the word dates Then Click on the highlight word dates Select Date Keywords this should bring up the list.
Listing below:
Date Keywords
Certain keywords can be used in the Date field to help define the date. For example, you may be uncertain about the birth date of a person but know it falls somewhere in the year "1900". In the Date field you can express that by typing "Bet. 1900-1901".
The following table describes the keywords you can use and how Family Tree Maker expresses them.
Keyword
Result
About, ABT, or A
Abt. 12 Dec 2004 (See Date Labels in Options: Dates.)
AD
68 AD (See Ancient date notation in Options: Dates.)
After or AFT
aft. 12 Dec 2004
Ante
Bef. 12 Dec 2004
Before, BEF or B
Bef. 12 Dec 2004
Between, BET, or BTW . . . and
Bet. 9 Dec - 12 Dec 2004 (See Range style in Options: Dates.)
BC
22 BC (See Ancient date notation in Options: Dates.)
Calculated or Cal
Cal. 12 Dec. 2004
Child
Child
Circa, Cir, or C
Abt. 12 Dec 2004 (See Date Labels in Options: Dates.)
Dead
Dead
Deceased
Deceased
Estimated or EST
Abt. 12 Dec 2004
From . . . to
Bet. 9 Dec - 12 Dec 2004 (See Range style in Options: Dates.)
Infant
Infant
Never Married
Never Married
Post
Aft. 12 Dec 2004
Stillborn
Stillborn
Unknown
Unknown
Young
Young
?
Unknown
LDS Keywords
The following keywords are used in the date field of an LDS fact. See Show LDS information in Options:General.
Keyword
Indicates
In fact(s)
Result
BIC
Born in Covenant
Sealed to Parents
BIC
Canceled or Can
Ordinance canceled
Any LDS fact
Canceled
Child or Chi
Died before age of eight
Baptism or Endowment
Child
Cleared or Cle
Not yet completed
Any LDS fact
Cleared
Completed or Com
Completion date unknown
Any LDS fact
Completed
DNS
Do not seal
Sealed to Spouse or Sealed to Parents
DNS
DNS/CAN
Do not seal/canel
Sealed to Spouse or Sealed to Parents
DNS/CAN
Done
Completion date unknown
Any LDS fact
Done
Infant
Died before age of eight
Baptism or Endowment
Infant
Pre-1970
Temple work may be complete
Any LDS fact
Pre-1970
Stillborn
Ordinances not necessary
Baptism, Endowment, or Sealed to Parents
Stillborn
Submitted or Sub
Submitted to temple
Any LDS fact
Submitted
Uncleared or Unc
Submitted but not cleared
Any LDS fact
Uncleared
Enjoy
RSlack