v. sat·is·fied, sat·is·fy·ing, sat·is·fies
1. To fulfill the need, desire, or expectation of: Were you satisfied with the hotel's service?
2. To fulfill (a need or desire): The cold drink satisfied my thirst.
a. To free from doubt or question; convince: His explanation satisfied the authorities.
b. To provide sufficient explanation to dispel or answer (a doubt or question).
4. To meet or be sufficient for (a requirement); conform to the requirements of (a standard, for example): Only two people satisfied the researcher's profile for the study.
a. To discharge (a debt or obligation, for example) in full.
b. To discharge an obligation to (a creditor).
c. To make reparation for; redress.
6. Mathematics To make the left and right sides of (an equation) equal after substituting equivalent quantities for the unknown variables.
1. To be sufficient or adequate.
2. To give satisfaction.
[Middle English satisfien, from Old French satisfier, from Latin satisfacere : satis, sufficient; see sā- in the Appendix of Indo-European roots + facere, to make; see dhē- in the Appendix of Indo-European roots.]
Synonyms: satisfy, answer, fill, fulfill, meet1
These verbs mean to be sufficient or to act in adequate measure for something expected or required: satisfied all requirements; answered our needs; fills a purpose; fulfilled their aspirations; met her obligations.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.