This sems to be a fairly recent addition to the Danish language, but it certainly exists.

I have discussed this with colleagues somewhere - obviously not on KudoZ (and I can´t find my notes on it in the usual place!).

We came to the conclusion that it is used in two ways:

1. to bring up a topic that has not previously been mentioned, to raise the subject (in a group, at a meeting etc.)

2. to formulate or put into words an idea or subconscious feeling
(Social workers use it about getting children or social clients to explain their point of view.)

http://www.dr.dk/P1/Sproglaboratoriet/Udsendelser/2009/02/20...

Try googling it for more examples

http://www.competenze-care.dk/Lederen-som-coach.php

I en ledelsesmæssig sammenhæng handler ***italesættelse*** om, at ledere skal starte enhver ledelsesmæssig gerning med at italesætte, at der er yderligere potentiale. Mange ledere igangsætter diverse ledelsesmæssige initiativer uden at etablere en potentialeorienteret og sprogligt skabt kulisse for den forestående ledelsesmæssige aktivitet.

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Note added at 12 hrs (2010-04-16 09:25:33 GMT)
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Italesætte is sometimes seen as a parallel to iværksætte - to put into action, or the necessary process that comes before ´iværksættelse´.