31. A method implemented at least in part by a computing device, the method comprising: determining, via the computing device, one or more phrases to suggest to a user for association with an aspect of a user account associated with a user, wherein individual ones of the one or more phrases comprise at least one grammatically-correct word automatically generated based at least in part on a phrase entered by the user; receiving a selection of a suggested phrase or a selection of a user-generated phrase from the user; responsive to the receiving of the selection, associating the selected phrase with the aspect of the user account; receiving, from the user, a request to conduct a transaction with use of the selected phrase; if the requested transaction is authorized, completing the requested transaction with use of the selected phrase; and otherwise, declining the requested transaction.
31. A method implemented at least in part by a computing device, the method comprising: determining, via the computing device, one or more phrases to suggest to a user for association with an aspect of a user account associated with a user, wherein individual ones of the one or more phrases comprise at least one grammatically-correct word automatically generated based at least in part on a phrase entered by the user; receiving a selection of a suggested phrase or a selection of a user-generated phrase from the user; responsive to the receiving of the selection, associating the selected phrase with the aspect of the user account; receiving, from the user, a request to conduct a transaction with use of the selected phrase; if the requested transaction is authorized, completing the requested transaction with use of the selected phrase; and otherwise, declining the requested transaction. 35. A method as recited in claim 31 , wherein the determining of the one or more phrases to suggest to the user comprises: determining a keyword associated with the user; and associating the keyword with the one or more phrases.