From WordNet (r) 3.0 (2006) [wn]:
symbolisation
n 1: the use of symbols to convey meaning [syn: symbolization,
symbolisation]
2: something visible that by association or convention
represents something else that is invisible; "the eagle is a
symbol of the United States" [syn: symbol, symbolization,
symbolisation, symbolic representation]
3: the practice of investing things with symbolic meaning [syn:
symbolism, symbolization, symbolisation]