Simple conjunctions:
* Also - Indicates addition or similarity.
* As well - Similar to "also," but emphasizes the addition.
* Too - Similar to "also" and "as well," but usually placed at the end of a sentence.
* Plus - Indicates addition or a further point.
* Furthermore - Indicates additional information or a stronger point.
* Moreover - Similar to "furthermore," but emphasizes the importance of the additional information.
* Besides - Indicates something in addition to what has already been mentioned.
* In addition to - Indicates something added to what has already been mentioned.
* Not only... but also - Emphasizes two things that are both true.
* Both... and - Emphasizes that two things are true.
Other options:
* Then - Indicates sequence or a logical connection.
* Therefore - Indicates a result or consequence.
* Consequently - Similar to "therefore," but emphasizes the result.
* So - Indicates a consequence or result.
* Thus - Similar to "so," but emphasizes the conclusion.
* Or - Indicates an alternative or choice.
* But - Indicates a contrast or opposing idea.
* However - Similar to "but," but emphasizes the contrast.
* Nevertheless - Similar to "however," but emphasizes the contrast even more.
Specific examples:
* "I like pizza and pasta." could be replaced with: "I like pizza, also pasta." or "I like both pizza and pasta."
* "The weather is hot and sunny." could be replaced with: "The weather is hot, moreover, sunny." or "The weather is hot, therefore, sunny."
The best substitute will depend on the specific context and the nuance you want to convey.