action of returning to former or less developed state. To return to go back in time or development.

In whatever way; by whatever means. (Used to introduce a counter statement).

Set of changes that occur slowly and naturally. To convert by putting something through a machine.

either of pair of people engaged together in same activity. People you have a business/personal relationship with. To join with others for work or other activity.

showing emotion or sensitivity. emotional state or reaction. To sense through direct contact; touch.

Introduction of a new product, film, book, etc.. To allow to leave a jail, cage, etc.; let out.

inspiring delight or admiration.

of great significance or value.

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.

continuing or valid to final destination. From the beginning of something until the end. By a particular way or process; by the use of.

For a reason.

Needing thought or concentration; important; grave.

Amount of food you are given on your plate. To make something better or less difficult.

To have a particular opinion about something.

Showing a lot of deep thought or understanding. deepest part of something. Requiring deep thought; difficult to understand.