Jargonise

[Greta]

verb - to jargonise, the act of taking a simple easily [understood] word and changing it to a different word which is harder to understand by most as it is from a [semantic field] understood only by those with intense knowledge of that particular field. Can also be the act of taking a simple easily understood text, and carrying through a similar action as above except to the whole text. [past tense], jargonised