Comme
like/as (comparative)
since (when used at the start of a sentence)
Puisque
Because or since (a justifying word)
Puis
then
En outre
Also
Parce que
because
Car
cause, since, for (justifying)
pour que
so that
Quand
when
Lorsque
when (formal)
Alors que
Alors: so
Alors que: whereas
Donc
so?
bref
in short (like brief)
Considerons
let’s consider
en fait
in fact