- abbreviated, abbrev, abbr
- abbreviatedBasicDate
- abbreviatedBasicTime12, abbreviatedBasicTime24
- abbreviatedCommonDate
- abbreviatedCommonTime12, abbreviatedCommonTime24
- abbreviatedCTime
- abbreviatedDate
- abbreviatedDateItems
- abbreviatedInternationalDate
- abbreviatedInternationalTime
- abbreviatedInternetDate
- abbreviatedLocalTime12
- abbreviatedLocalTime24
- abbreviatedSimpleDate
- abbreviatedTime12
- abbreviatedTime24
- abs, as a positive number, as a negative number
- acceleration
- accept
- acre, acres
- acrefeet, acrefoot, acreft
- add
- add properties
- add records
- adding properties
- adiShakti (☬)
- after
- ago
- all
- allKeysForValue
- allow
- almostEqualSign (≈)
- alpha
- alphabetic, alphabetical, alphabetically
- alphanumeric, alphanumerics
- alphanumerically
- alphaparticlemass, alphaparticlemasses, m_alpha
- also
- alternativeKeySymbol (⎇)
- alwaysJoinText
- among
- amp, ampere, amperes, amps
- ampersand (&)
- an
- and, and if
- angle
- angstrom, angstroms
- angular_frequency, angular_speed, angular_velocity
- ankh (☥)
- annually
- annuity
- answer
- answer file, answer folder
- any
- apDram, apDrams
- apostrophe (')
- apOunce, apOunces
- append, appending
- appendOnly
- appleLogo ()
- AppleScript
- apPound, apPounds
- approximatelyEqualSign (≅)
- AprilFoolsDay
- aqua
- arcdegree, arcdegrees, arcdeg, arcdegs
- archive
- arcminute, arcminutes, arcmin, arcmins
- arcsecond, arcseconds, arcsec, arcsecs
- are, aren't
- area
- as
- asBase64
- asBoolean
- ascending
- asData
- asDate
- ask, ask password
- ask file, ask folder
- asList
- asListExpression
- asNumber
- asObject
- assarion, assarions
- assayTon, assayTons
- assert
- assertionBehavior
- assertionErrorCount
- assertionExceptionCount
- assertionFailCount
- assertionFailedDelegate
- assertionPassCount
- assertionPassedDelegate
- assertionsEnabled
- assertionWarningCount
- asterisk (*)
- asText
- asTextEnabled
- asTextFormat
- asTextLimit
- asTime
- asTree
- asTreeExpression
- astronomicalUnit, astronomicalUnits, au
- at
- atan
- atomicMass, atomicMasses
- atSign (@)
- atto
- _attributes
- au
- australSign (₳)
- autoSaveDatabaseUpdates
- autoSaveUpdates
- availableTimeZoneAbbreviations
- availableTimeZoneNames
- availableStringEncodings
- average