When used at the beginning of a sentence, this word is a variety of the 'filler' word basically
. Another direct replacement for technically is essentially
. Maybe the speaker sees his or her own bad speech patterns and recycles these three words while speaking. Filler words add absolutely nothing to the sentence being spoken. Other filler words include like
, and stuff
, but they tend to be in the middle of or at the end of a sentence. Filler words are rarely used in writing and are part of acquired speech habits.