confusion about would.

I would like to say that dolphins are wonderful
I would say the weather is good enough for the beach
I would definitely say that fire is hot

say/suggest/assert/add etc can all be used

d

Let me share this:

Here, would would is more polite than will.

Would you like to come with me?

When we give our opinion we can say this:

I would like to tell you that this is the best restaurant in the town.

And, I don't know what you mean by guesses.

e.g.
I would imagine that being a firefighter has to be a dangerous job.

Thank you, ozzourti.

I understood the sentences begin with 'I would say/suggest /assert/add' give an opinion. If I start a sentence with 'I would tell or other verbs' it doesn't mean I am giving an opinion right?
what about these sentences,
A. I am sure,he would lend you the money.
B. I am sure,he would help you.
Do these sentences mean 'in my opinion' I mean it is just an opinion;it doesn't mean he

tenjingIf I start a sentence with 'I would tell or other verbs' it doesn't mean I am giving an opinion right?

I don't think so.

I would like to tell you that this place is peaceful.

Don't you think that this is an opinion?

tenjingA. I am sure,he would lend you the money.B. I am sure,he would help you.

Thank you, but I don't think they are predictions and assurances because it is my own view.I mean to say this is what I think. It doesn't mean his other friends think so too.that's why I think it is not a prediction nor a assurance. Predictions and assurances are supposed to be common(everyone thinks the same way about the Guy).Am I right???

Predictions and assurances are both just opinions (or lies).

Sometimes they can be backed up with rational arguments, and sometimes simply persuasion due to a charming personality.

However 'assured' can mean try to assure, or successfully assure.
The politician assured the committee he was not taking bribes. (1. tried to persuade them 2. they were successfully