insure

verb

1.
be careful or certain to do something; make certain of something
sickerput weir ascertain assure check control ensure see see to it
Exemplifies:
American English
2.
3.
protect by insurance
cover underwrite
Agent:
insurer
Derived from:
insurance insurer
By means of:
insurance
4.
take out insurance for
Undergoer:
insurance
Derived from:
insurance