What does "suffixation" mean?

The process of adding a suffix to a word.

What is a synonym for "suffixation"?

Common synonyms include: accession, adjectivally, adjunct, affix, affixation, agglutination.

Pronounced //ˌsʌfɪkˈseɪʃən//.

/ˌsʌfɪkˈseɪʃən/ noun

noun ·Uncommon ·Advanced level

Noun

1
The process of adding a suffix to a word. countable, uncountable
"Assimilation as a result of suffixation"
2
formation of a word by means of a suffix wordnet

"Assimilation as a result of suffixation"

From suffix + -ation.