思えてきた

started to seem

→ 思う
phrase Rare #34,342
started to seem Describes a feeling or impression that gradually develops. 思える means something seems or feels a certain way, and てきた shows that the change has happened over time.
JA: この町がだんだん好きに思えてきた。
EN: I’ve gradually started to like this town.

前はマヌケに見えたけど可愛く思えてきたよ

You used to look kind of goofy, but I'm starting to think you're cute.

— 恋する惑星 (1994)

太陽が昇るにつれて、ますますまずい考えに思えてきた。

As the sun rose, it seemed like an increasingly bad idea.

心理学を勉強すればするほど面白いと思えてきたんだ。

The more I study psychology, the more interesting I find it.