Sentir means "to smell" in French.
To smell is "sentir" in French. Conjugations in link.
sentir l'amour
I want to smell your eau de Cologne (a perfume)
il me fait sentir
se sentir mieux
sentir sexy
to feel happy is 'se sentir heureux' in French.
"tu dois te sentir jolie"
The phrase, se sentir heureux means feeling happy in the French language.
Odeur d'un rat
il va vous faire sentir mieux
odeur as a noun, or sentir as a verb. the verb must be conjugated, and in the future, if you want to look up an translation, use wordreference. that website also has a french translator.