guarantee
1. guar.an.tee \.gar-*n-'te-, .ga:r-\ n [prob. alter. of 1guaranty] 1:
GUARANTOR 2: GUARANTY 3a: an agreement by which one person undertakes to
secure another in the po ssession or enjoyment of something 3b: an
assurance of the quality of or of the length of use to be expected f rom a
product offered for sale often with a promise of reimbursement 4: GUARANTY
2. guarantee vt 1: to undertake to answer for the debt, default, or
miscarriage of 2: to engage for the existence, permanence, or nature of {~
the wi nning of three tricks} 3: to give security to