Something required in a business contract; term. To improve something to make it better.

actual application or use of idea. To live according to the teachings of a religion.

action of finding person or thing. To learn through study, research, or effort.

person qualified to treat sick people. People awarded the highest university degree. To change something in order to trick someone.

state or situation in which something needed cannot be obtained in sufficient amounts. Lacks of some things necessary.

something that contributes to result. Some things that influences a result. To consider or include in an estimate or judgment.

physical or mental feature which is regarded as indicating condition of disease. Signs that suggests that there are problems.

action of staying where one is or delaying action until particular time or event. To spend time until an expected thing happens.

the elected head of a republic.

reduction of fuel etc. to nothing.

Only at certain times; occasionally.

day of festivity or recreation. Times of year when people celebrate and don't work. spend holiday somewhere.

Difficult to do. To formally invite someone to compete at something.

Colors or shapes which are repeated on objects. To copy the way something else is made.