'appreciative' originates from the Latin word 'appretiatus', where 'ad-' meant 'to' and 'pretium' meant 'price' or 'value'.

'appretiatus' transformed into the French word 'apprécier', and eventually became the modern English word 'appreciate' through Middle English.

Initially, it meant 'to set a price on something', but over time it evolved into its current meaning of 'to recognize the value or significance of something'.