"refresh" in the verb sense
1. review, brush up, refresh
refresh one's memory
"I reviewed the material before the test"
2. refresh, freshen
make (to feel) fresh
"The cool water refreshed us"
3. freshen, refresh, refreshen, freshen up
become or make oneself fresh again
"She freshened up after the tennis game"
4. refresh, freshen, refreshen
make fresh again
Source: WordNet® (An amazing lexical database of English)
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