person who teaches something. People who teaches or explains usually as a job.

become fully aware of something as fact.

Small book of events in a play, concert or movie. To make someone act or think in a certain way.

person presiding over meeting.

To start doing again after a break, pause, or stop.

practice or science of collecting and analysing numerical data in large quantities. Mathematics used to interpret numerical data.

existing under surface of sea. warship designed to operate submerged in sea.

Helping or supporting a function or group. Group of workers who provide help and assistance.

To put a ship into the water for the first time.

Not changing your conduct or opinion. distinctive clothing worn by members of same organization or body or by children. make uniform.

To arrange and plan things, e.g. a party.

course of action. work towards.

To respond to (e.g. news) in a particular way.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.

action or process of innovating. Processes of creating new ideas or inventions.