1. on this; concerning this matter or subject
Usage: formal or archaic; often used in legal or official documents
2. immediately after this; thereupon
Usage: archaic

Examples

• The contract states the terms, and hereon both parties agree to comply.
• He presented his findings, and hereon the committee made its decision.
• The law is clear hereon: all citizens must register to vote.
• We base our argument hereon: the evidence speaks for itself.
• The document provides details hereon in the appendix.