tell application "Pages"
activate
get properties of word 3 of document 1
{paragraph style:paragraph style "Corps" of document id 5091942, hidden:false, shadow blur:missing value, left indent:0.0, subscript:false, containing page:page 1 of document id 5091942, keep with next paragraph:false, italic:false, label size:1.0, shadow opacity:missing value, bold:false, character style:missing value, color:{0, 0, 0}, list style:list style "Aucun" of document id 5091942, space before:0.0, remove hyphenation:false, label indent:0.0, shadow color:missing value, number label tiered:false, underline type:none, indent level:1, tracking:0.0, character background color:missing value, font name:"Helvetica", label type:none, first line indent:0.0, number label style:number paren zero, strikethrough type:none, shadow offset:missing value, start new page:false, ligatures:default ligatures, collapsed:false, class:Unicode text, font size:12.0, space after:0.0, line spacing:1.0, capitalization type:normal capitalization, label baseline shift:0.0, text label string:missing value, superscript:false, right indent:0.0, character offset:8, scale with text:true, line spacing type:relative, contents:"short", outline:false, shadow angle:missing value, length:5, label image data:missing value, text indent:0.0, shadow:false, prevent widows and orphans:true, alignment:left, baseline shift:0.0, strikethrough color:missing value, underline color:missing value, following paragraph style:missing value, keep lines together:false, paragraph background color:missing value}
set properties of word 3 of document 1 to {font name:"ArialUnicodeMS"}
get properties of word 3 of document 1
{paragraph style:paragraph style "Corps" of document id 5091942, hidden:false, shadow blur:missing value, left indent:0.0, subscript:false, containing page:page 1 of document id 5091942, keep with next paragraph:false, italic:false, label size:1.0, shadow opacity:missing value, bold:false, character style:character style "Aucun" of document id 5091942, color:{0, 0, 0}, list style:list style "Aucun" of document id 5091942, space before:0.0, remove hyphenation:false, label indent:0.0, shadow color:missing value, number label tiered:false, underline type:none, indent level:1, tracking:0.0, character background color:missing value, font name:"ArialUnicodeMS", label type:none, first line indent:0.0, number label style:number paren zero, strikethrough type:none, shadow offset:missing value, start new page:false, ligatures:default ligatures, collapsed:false, class:Unicode text, font size:12.0, space after:0.0, line spacing:1.0, capitalization type:normal capitalization, label baseline shift:0.0, text label string:missing value, superscript:false, right indent:0.0, character offset:8, scale with text:true, line spacing type:relative, contents:"short", outline:false, shadow angle:missing value, length:5, label image data:missing value, text indent:0.0, shadow:false, prevent widows and orphans:true, alignment:left, baseline shift:0.0, strikethrough color:missing value, underline color:missing value, following paragraph style:missing value, keep lines together:false, paragraph background color:missing value}
end tell
It's exactly what it is supposed to do.
I use this syntax for years, mainly with AppleWorks.