siquidem (implies something known and granted; Zumpt, § 345): cum (relating to time as well as stating a reason): quia: quod: quoniam: quandoquidem (implying also a reason, with this difference, that “cum” alleges a simple reason merely, our “since;” “quia” and “quod,” of which the former is the stronger, allege a reason founded on necessity, our “because;” “quoniam” alleges a reason deduced from the accidental occurrence of circumstances, our “whereas;” “quandoquidem” gives a reason inferred from some preceding circumstance).