To improve; make bigger or better.

Something that represents a person's work or style. person's name written in distinctive way as form of identification.

substance produced by living organism which acts as catalyst to bring about specific biochemical reaction. Substance in living things helping chemical change.

High level of worth or excellence.

Not as expensive as something else; costing less.

To choose a suitable thing from a group.

needing much effort or skill to accomplish, deal with, or understand.

advantage or profit gained. Good results or effects, something advantageous. To have a good effect or be helpful.

in seated position. Being painted or photographed by an artist. To take an exam.

To experience or endure something (bad).

upmarket. towards more expensive or affluent sector of market. Appropriate for people with good incomes. increase size or scale of.

Person who works for someone else for payment.

Set of changes that occur slowly and naturally. To prepare by treating something in a certain way.

To need to do something, to make it necessary.

To keep food cool to prevent it from spoiling.