Use suggest when you give an idea or plan to someone. You want other people to think about it and maybe do it.
I suggest we start the work now.
She suggests going to the park.
Suggest can mean to give clues or signs about something. It does not say it clearly but shows it may happen or be true.
The dark clouds suggest it will rain.
His smile suggests he is happy.
Use suggest when you tell a possible idea or way to do something but don't know for sure if it is right.
He suggested a new way to cook rice.
They suggest early arrival for the event.
Suggest can mean to make someone think about an idea or feeling. It helps someone see or feel something in their mind.
The song suggests happy memories to me.
The painting suggests peace and calm.
Suggest can be a polite way to tell someone what you think they should do. It is not a direct order but advice.
I suggest you take a break soon.
She suggested we call him later.
In formal situations, suggest means to officially offer a person or idea for something like a job or position.
He suggested her name for team leader.
They suggest new members to the club.
In technical or medical contexts, suggest means give evidence or hints that show a fact or problem might exist.
Results suggest a link between diet and health.
This test suggests infection is present.