Reading Kipling's stories I've met words which beginning is replaced with an apostrophe:

'scruciating = excruciating
'scuse = excuse
'vantage = advantage

these were easy to recognise but I can't figure out what 'satiable stands for?

Quote Originally Posted by Kipling
But there was one Elephant — a new Elephant — an Elephant's Child — who was full of 'satiable curtiosity, and that means he asked ever so many questions.
The curtiosity is obviously (to me) stands for curiosity though I've no idea why Kipling used such a spelling.