The adjective form of "believe" is "believing." It describes a state of having faith or confidence in something, often used to characterize a person who holds certain beliefs or convictions. For example, one might refer to a "believing individual" who is steadfast in their faith or trust in a particular idea or principle.
I believe the adjective form of illustrate is illustrational.SSH
The word convinced can be an adjective and a verb. The adjective form means to be in a state of believing. The verb form is the past tense of the verb "convince" which means to make someone believe something.
The abstract noun form of the adjective 'believable' is believableness.Related abstract nouns are 'believability' (a quality) and 'belief' (a concept).
The adjective form is patient.
The adjective form is kingly.
The adjective form of "believe" is "believable."
Believable
I believe it's Suspicious.
The word believe can have the past participle (believed) as an adjective, but it has no adverb form. The present participle has the rarely seen adverb form believingly. There is a related adjective believable which has the adverb form believably.
I believe the adjective form of illustrate is illustrational.SSH
The adjective form of concept is conceptual.The adjective form of conception is conceptional.
The adjective form is cranial.
The word 'opposite' is a noun form, a word for something that is contrary of another.Example: They believe that these measures will solve the problem but I believe the opposite.The noun form of the adjective 'opposite' is oppositeness.
The adjective form for the pronoun they is their.
The Adjective form of Pathologist is Pathological.
The adjective form of concept is conceptual.The adjective form of conception is conceptional.
The adjective form of improve is "improved."