Face-Threatening Acts. In Linguistics, this term is used for making someone do something in polite way or rude way.
FTA:
Positive Politeness: Lets open the window shall we?
Negative Politeness: Can you open the window?
An initialism for "From The Article" used as shorthand for citations from an article under discussion online.
FaceTime Audio, the audio-only version of Apple's FaceTime video chat app.
Failed to Appear. It is used in Bounty Huntering. It means that they did not show up for their court date.
Source: Stephanie Plum Novels
We have to go get this FTA so we can bond them out!