diff --git a/dot-config/vim/init.vim b/dot-config/vim/init.vim
index 197bf8b..b695f92 100644
--- a/dot-config/vim/init.vim
+++ b/dot-config/vim/init.vim
@@ -139,6 +139,16 @@ augroup glyphPalette
 	autocmd FileType fern g:glyph_palette#apply()
 augroup END
 
+set spelllang=en_au
+g:lexical#dictionary_key = '<leader>k'
+g:lexical#thesaurus = [$XDG_CACHE_HOME .. '/vim/thesaurus/mthesaur.txt']
+g:lexical#thesaurus_key = '<leader>t'
+augroup lexical
+	autocmd!
+	autocmd FileType markdown,mkd lexical#init()
+	autocmd FileType tex lexical#init()
+augroup END
+
 # Configure a statusline and tabline using vim-crystalline. I tried a bunch of
 # different statusline plugins and this one, which is basically just a utility
 # library for writing your *own* statusline functions, worked the best for my
diff --git a/dot-config/vim/plugins.vim b/dot-config/vim/plugins.vim
index a72d360..60842d3 100644
--- a/dot-config/vim/plugins.vim
+++ b/dot-config/vim/plugins.vim
@@ -172,6 +172,10 @@ minpac#add('fladson/vim-kitty')
 # also auto-compilation and SyncTeX search support in both directions.
 minpac#add('lervag/vimtex')
 
+# Dramatically buff Vim's built-in dictionary and thesaurus features when
+# editing prose, making it much more viable for that kind of work.
+minpac#add('preservim/vim-lexical')
+
 # Syntax highlighting for .neon files, like phpstan.neon. Nette is actually a
 # full-blown PHP web framework and this plugin provides other Nette tooling
 # too, but I don't use Nette so it's really just providing syntax for the