Putting ideas in order

1. Finally

1.1. Last of all

1.2. Lastly

1.3. Last but not the least

2. At that moment

2.1. By that time

3. After

3.1. Then

3.2. Next

3.3. Later

3.4. Afterwards

3.5. Secondly

4. Sometime

5. Since

6. Meanwhile

6.1. In the meantime

6.2. At the same time

6.3. For the time being

6.4. While/whilst

6.5. Simultaneously

6.6. For now

6.7. During

7. To begin with

7.1. To star with

7.2. In the first place

7.3. Before

7.4. Let me begin by saying..

7.4.1. Let me start of by saying

7.4.2. Let me begin by introducing

7.4.3. I would like to begin by

7.5. First

7.5.1. Firstly

7.5.2. At first

7.5.3. First of all

7.5.4. Initially

8. Further