meditation

As an adjective pensive

is having the appearance of deep, often melancholic, thinking.

As a noun meditation is

a devotional exercise of, or leading to contemplation.

As nouns the difference between meditation and poison

is that meditation is meditation while poison is a substance that is harmful or lethal to a living organism.

As a verb poison is

to use poison to kill or paralyse somebody.

As nouns the difference between placebo and meditation

is that placebo is placebo while meditation is meditation.

As nouns the difference between meditation and brooding

is that meditation is meditation while brooding is a spell of brooding; the time when someone broods.

As an adjective brooding is

(of a bird) broody; incubating eggs by sitting on them.

As a verb brooding is

.

Debate is a synonym of meditation.

As nouns the difference between debate and meditation

is that debate is (obsolete) strife, discord while meditation is meditation.

As a verb debate

is (ambitransitive) to participate in a debate; to dispute, argue, especially in a public arena.

Regard is a related term of meditation.

As nouns the difference between regard and meditation

is that regard is a steady look, a gaze while meditation is meditation.

As a verb regard

is (obsolete) to set store by (something), to hold (someone) in esteem; to consider to have value, to respect.

As nouns the difference between consideration and meditation

is that consideration is the thought process of considering, of taking everything into account while meditation is a devotional exercise of, or leading to contemplation.

As nouns the difference between hypnosis and meditation

is that hypnosis is a trancelike state, artificially induced, in which a person has a heightened suggestibility, and in which suppressed memories may be experienced while meditation is a devotional exercise of, or leading to contemplation.

Notice is a related term of meditation.

As nouns the difference between notice and meditation

is that notice is the act of observing; perception while meditation is meditation.

As a verb notice

is to observe or take notice of.

As nouns the difference between meditation and drug

is that meditation is a devotional exercise of, or leading to contemplation while drug is a substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose.

As a verb drug is

to administer intoxicating drugs to, generally without the recipient's knowledge or consent.