This is the 7441st most frequent Japanese word.
信じよ
"信じよ" means "Believe" (imperative form).
The imperative form of "信じる" is used here to give a command to believe in someone's story or account.
彼女の話を信じよ。
Believe in her story.
Here, the word "信じよ" indicates trusting one's own sensory impressions or instincts, showing reliance on internal judgment.
自分の直感を信じよ。
Trust your own intuition.
This usage illustrates an imperative that has a metaphorical or existential interpretation, emphasizing belief as a guiding principle.