Love at first sight refers to the love that is established when two people first see one another.
An instantaneous attraction to someone or something.
A feeling of instantaneous love.
1. When I saw James standing there, it was love at first sight.
2. I didn’t think it existed until I met Christine, it was definitely love at first sight.
3. It was love at first sight for Freddie and Elizabeth, unfortunately it didn’t last long.
4. The day I met her, I just knew it was meant to be. It was truly love at first sight.
allegedly, at the first blush, ostensibly, possibly, probably, supposedly, as though, at a glance, in all likelihood, intuitively, it appears that, it seems that, most likely, plausibly, professedly, reasonably