1) Reason

Because.

As

Provided that

Seeing that

Since

Owing to

Due to (the fact that)

Because of

2) Addition (Reinforcing the point)

And

In addition

Moreover

Furthermore

Besides

Not only…but also

As well as…

3) Purpose

In order to (that)

So that

So as to

4) Result

As a result of,

As a consequence of

Therefore

Thus = In this way

Hence

5) Contrast

But

Yet (Empathic contrast)

However

On the other hand

Nevertheless

Irrespective of

Even though

Despite / in spite of

While/ whereas

Instead (of)

6) Condition

Even if

As soon as

As long as

Unless

In case

7) Time

When

Meanwhile

Whenever

Every time

First / secondly / thirdly

At the beginning / finally.

While / after(wards)