Addition

To begin with, 

In the first place, 

Firstly, 

The first reason

Additionally

Furthermore, 

Another reason why

Secondly, Thirdly, 

Next, 

Pursuing this further, 

Also

Lastly, Finally

In the same way,

Comparison

Similarly,

In the same way,

Likewise,

As with,

Equally,

Contrasting

On the same contrary,

However,

Nevertheless,

On the other hand,

Even so

Alternatively

At the same time

Otherwise

Instead

Conversely 

Result

Hence

Therefore

Accordingly

Consequently

Thus

As a result

In consequence 

For this reason

For this purpose

Time

Meanwhile

Presently

At last

Finally

Immediately

Thereafter

At that time

Eventually

Currently

Subsequently

In the meantime

Importance

Importantly

Especially

Above all

With attention to

Example

For example

For instance

That is

Such as

As revealed by

Illustrated by

Specifically

In particular

For one thing

This can be seen by

An instance of this

Literary

Clarifies

Conveys

Depicts

Demonstrates

Determines

Displays

Emphasizes

Establishes 

Explains

Exemplifies

Highlights

Illustrates

Indicates

Potrays

Represents

Shows

Signifies

Suggests

Beginnings/Causes/Effects

Affects

Generates

Ignites

Impacts

Imposes

Influences

Initiates

Introduces

Involves

Launches

Leads to

Presents

Promotes

Prompts

Results in

Summary

In conclusion,

To sum it all up,

To summarize,

In the final analysis

You can see why …

Finally,

To wrap it all up,

Therefore,

In summary,

In short,