adj. seem·li·er, seem·li·est
1. Conforming to standards of conduct and good taste; suitable: seemly behavior.
2. Of pleasing appearance; handsome.
In a seemly manner; suitably.
[Middle English semely, from Old Norse sœmiligr, from sœmr, fitting; see sem-1 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. 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.