Adverb
On or upon this; hereupon.
Source: Webster's dictionaryBefore my face the picture hangs, That daily should put me in mind Of those cold names and bitter pangs, That shortly I am like to find: But yet, alas! full little I Do think hereon that I must die. Robert Southwell
I think becoming an actor because it's a ridiculously insecure profession to go into. I feel very comfortable but very lucky. I think any time that you imagine that it's plain sailing for hereon in, then you're kidding yourself. Hugh Dancy
Hereon there danced youths and maidens whom all would woo, with their hands on one another's wrists. Source: Internet