[metrology] The realisation of a unit of measure is the conversion of its definition into reality. The International vocabulary of metrology identifies three distinct ways in which this is done - the first being the realisation of a measurement unit from its definition, the second the reproduction of measurement standards and the third the ... Found on http://en.wikipedia.org/wiki/Realisation_(metrology)
A deep and strong understanding / inner knowing, (beyond intellectual understanding) that becomes part of us and changes our perception of the world. Found on http://viewonbuddhism.org/glossary_az.html
[Noun] When you realise something is true. Example: She came to the realisation that she was never going to get there in time.
Found on http://www.bbc.co.uk/skillswise/glossary/