方がよさそうだ

it seems better to

→ 方
phrase Common #2,910
it seems better to Used to suggest that one option or action seems preferable. The examples mostly use 方がいい, a more direct way to say “it would be better to” or “should.”
JA: 早めに予約した方がよさそうだ。
EN: It seems better to book early.

探しておいた方がよさそうだ

It might be a good idea to look for it in advance.

— Arrietty (2010)

彼らと一緒に行った方がよさそうだ。

It would probably be better to go with them.

することがないから、寝た方がよさそうだ。

I have nothing to do, so I might as well go to bed.