"Given that..."
"Seeing that..."
"For reason that..."
"Inasmuch as..."
"As indicated by..."
"After all,..."
"On the grounds...."
"Consequently..."
"Therefore..."
"As a result..."
"So..."
"Clearly..."
"In follows that..."
"Accordingly..."
"We may conclude..."
"Entails that..."
"Hence..."
"Thus..."
"We may infer that..."
"It must be that..."
"Implies that..."
That is why..."
"For..."
"Since..."
"Because..."