If you don't know then you don't deserve to be SIGNALLED the answer
The root word of "signalled" is "signal."
The prefix for signalled is re-.
Cloud
Audit
un
apeared
The root word for "legalization" is "legalize," which means to make something legal or permissible according to the law.
entertain
bully
nurse
shim
biodegrate
The root word of understanding is "stand," which comes from the Latin word "standere," meaning "to stand."
depend
moral
Grintled ?
somthing
The root word of reputation is 'pute', which comes from the Latin 'reputare' meaning "to think over".