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korostaa

alleviivaus

alleviivata A line placed underneath a piece of text in order to provide emphasis or (in electronic documents) to indicate that it should be viewed in italics or that it acts as a hyperlink.
The character (unsupported).
To draw a line underneath something, especially to add emphasis; to underscore
puhekieltä To emphasise or stress something
{{quote-journal
puhekieltä To influence secretly.
Sir Henry Wotton

By mere chance in appearance, though underlined with a providence, they had a full light of the infanta.

Just as it was sometimes necessary to lower the road to take it beneath an underline bridge, so in this case it might be necessary to raise it.