More ideas for all the knowledge based characters out there!

Pedagogy

Knowledges is power, but power not shared is useless. Knowledge must flow and be told. You and your god specialize in teaching others all the things you know. These insights will help you better understand the world around you and help all you serve better understand themselves and others. Go cleric spread the good words to others!

Cleric Level	Spells
1st	comprehend language, detect mgic
3rd	detect thoughts, animal messenger
5th	tongues, sending
7th	divination, compulsion
9th	legend lore, modify memory

Bonus Proficiency

When you choose this domain at 1st level, you gain proficiency in a number of tools or languages equal to your Wisdom modifier.

Disciple of Knowledge

Also starting at 1st level, your wisdom helps with your knowledge. When you make a Intelligence skill check, add your Wisdom modifier as well..

Channel Divinity: Speed Learning

Starting at 2nd level, you can use your Channel Divinity to deliver a bold of knowledge to another. As an action, you choose one skill or tool you are proficient in and touch a creature. For 10 minutes, the target has proficiency with the chosen skill or tool.

Assistant

Beginning at 6th level, when you do the help action with another character, in addition to advantage, they add your Wisdom modifier to the roll as well.

Mind Strike

At 8th level, you learn how to now directly strike to a foes mind. Gain the eldritch blast cantrip as a cleric spell but instead of force damage it does psychic damage instead.

Fail Forward

Starting at 17th level, when you see someone attempt a skill check with which you are proficient, you can spend a spell slot of the highest you have available so long as its level one, to give the target a reroll on the check. This may only be attempted once per check.