Open English Wordnet
Adverbs
(r)forth, forward, onwardforward in time or order or degree“from that time forth”,
“from the sixth century onward” (r)ahead, onward, onwards, forward, forwards, forraderin a forward direction“go ahead”,
“the train moved ahead slowly”,
“the boat lurched ahead”,
“moved onward into the forest”,
“they went slowly forward in the mud”