interpose Definition

interpose
verb

tr & intr
1. To put something, or come, between two other things.

Thesaurus: intrude, interrupt, interfere, intervene.
2. To interrupt a conversation or argument with (a remark, comment, etc).

Thesaurus: interrupt, interpolate, insert, introduce, include, add.
intr
3. To act as mediator; to intervene.

Derivative: interposition
noun

Etymology: 16c: from French interposer, from Latin interponere.