This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Present participle of react.

"… He's been such a sensitive person in reacting to comments about him."

reacted    reacting    reacts   

reenact    return    recoil   

abstract    act    attacked    attract    backed    blacked    compact    contract    counterattacked    cracked