premium /prēˈmi-əm/

1. A sum regularly payable for insurance
2. An admission fee paid by someone entering an apprenticeship or profession
3. A sum added to a fixed wage, rate, etc, a bonus
4. Excess over original price or par, opp to discount
5. Anything offered as an incentive to buy
6. A reward, prize or bounty

Of highest quality, and so costly

Premium Bond or Premium Savings Bond noun

A Government bond, the holder of which gains no interest, but is eligible for a money prize allotted by a draw held at stated intervals

• ill-usage
• ill-use
• ill-used
• ill-uses
• ill-using
• illusion
• illusional
• illusionary
• illusionism
• illusionisms
• illusionist
• illusionistic
• illusionists
• illusions
• illusive
• illusively
• illusiveness
• illusivenesses
• illusorily
• illusoriness
• illusory
• illustrate
• illustrated
• illustrateds
• illustrates