a. The action of causing processes to occur in the background without end users being aware of what is happening.

b. Making things work without requiring user intervention.

c. Fixing something without anyone seeing how it was done.

pertaining to the one's belief that the best will happen with no effort on her/his part.

to perceive something has happening all on its own, as if by magic; a way to describe something that is both automatic and magical

Extremely annoying word computer nerds use to describe things software does by itself and with no exception would be far better replaced with the word 'automatically'.

Correction of my own entry below:

Pointless and pretentious word used to add no meaning at all to normal english sentences pertaining to the kind of automated proceedure computers were designed to do right from the very beginning of their invention. Almost every sentence in which this word appears can be improved upon by removing it.

Term used by IT professionals to describe technical processes to mouth-breathers with an IQ roughly equal to their shoe size.

something happening without doing something else to make it happen