inflate

verb

1. To enlarge an object by pushing air (or a gas) into it; to raise or expand abnormally“You inflate a balloon by blowing air into it.”
2. To enlarge by filling with air (or a gas).“The balloon will inflate if you blow into it.”
3. To swell; to puff up.“to inflate somebody with pride or vanity”
4. To decompress (data) that was previously deflated.