I believe synonym,synonyms of i believe

Meaning and Usage: “I think” is a very common and versatile phrase used to express one's opinion or belief. It implies that the speaker has given some thought to the matter and has formed a particular view. For example, “I think it will rain tomorrow.” It can also be used to introduce an idea or suggestion, like “I think we should go to the park.”
Connotation: It has a relatively neutral connotation and is often used in everyday conversations to simply share one's thoughts or perspectives without implying a high level of certainty or strong conviction.

Meaning and Usage: “I suppose” is used when the speaker is making a somewhat tentative or speculative assumption. It suggests that the person is not entirely sure but is making a guess or supposition based on what they know or assume. For instance, “I suppose he might be late due to the traffic.” It can also be used to express a reluctant acceptance or agreement, as in “I suppose I can help you with that.”
Connotation: It has a sense of uncertainty and tentativeness, indicating that the speaker is not completely confident in their statement and is open to the possibility of being wrong.

Meaning and Usage: “I assume” means that the speaker is taking something for granted or believing it to be true without having definite proof. It often implies that the assumption is based on certain facts or common sense, but there is still a lack of conclusive evidence. For example, “I assume you have read the report since it was sent to you.” It is used when the speaker is making an educated guess or taking something as a given.
Connotation: It has a bit more of a confident tone than “I suppose” but still acknowledges that there is some degree of uncertainty. It can sometimes carry the connotation of making an assumption without fully verifying the information.

Meaning and Usage: “I presume” is similar to “I assume” but often implies a stronger belief or a more reasonable assumption based on available evidence or past experience. It is used when the speaker has more reason to believe something is true but still doesn't have absolute certainty. For instance, “I presume you are familiar with the procedure by now.” It can also be used in a more formal or polite context to express an assumption.
Connotation: It has a relatively confident and somewhat formal connotation, suggesting that the speaker has a good basis for their presumption but is still aware that it may not be 100% accurate.

Meaning and Usage: “I consider” is used when the speaker is thinking about something carefully and forming an opinion or judgment. It implies a more deliberate and thoughtful process compared to some of the other phrases. For example, “I consider him to be a very reliable person.” It is often used to express a more well-formed belief or evaluation after considering various factors.
Connotation: It has a sense of thoroughness and careful thought, indicating that the speaker has given the matter some serious consideration and has arrived at a relatively well-founded opinion or belief.