To be fooled; to walk into a trap or respond to a scam or trick.(verb)
To fall in love with someone.(verb)
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Use "fall for" in a sentence
"But do not fall for graying ponytails with Carlos Castañeda stories."
"I guess Neck Brace Girl was supposed to take the fall for all of us—for every time you slipped and fell on your ass on an ice patch right in front of the school bus, every time you drooled food onto your shirt because your braces had just been tightened."
"I did a lot of traveling that fall for literacy programs all over the country and was lucky enough to return to Midland to dedicate the George Herbert Walker Bush Elementary School, the first in the country to be named after him."