to stare, to look fixedly with wide open eyes
"peer" can be an equal. And it can also mean "to look intently".
To look intently.
gaze
Peer
Intently, attentively.
seek?
You look intently at its genetals
to look intently; to stare angrily or with a scowl.
gaze
Synonyms for "watch" include observe, monitor, and view. Synonyms for "look intently" include gaze, scrutinize, and examine closely.
i was working on answering this question intently.
The word "intently", an adverb, can be used in sentences such as: "They listened intently to Dr. Who through his entire class", or "She was studying so intently in her room, she didn't notice her mother walking in".